A challenge to extract the right value

Hello, I want to extract a partial value from a cell.
The original value is composed as follow “48.593345, -123.399607”.
I have no problem to extract the left portion of the value. However I have a problem to extract dynamically the right value.
A spreadsheet with same examples is attached.
Scenario #1 - #5 are no problem.
And based and these scenarios (#1-#5) I build the formula for Scenario #6.
But for some reason, I don’t know why, it is not working as I expected.
Perhaps someone smarter as I am can explain what I am doing wrong.
Thanks for any reply.

PS. Why can’t I attach a screenshot and insert it into my posting in this forum?

Extractions.ods (17.6 KB)

Try this
Extractions123656EA.ods (13.2 KB)

NB After you gave save your screenshot, you can drag it from your file manager onto the open editing window or you can click the 7th icon with tooltip Upload to navigate to and insert the image.
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