podzielić różnicę in inglese:

We’ve managed to split the difference and have finally agreed on the final cost.

Let's split the difference.

If you split the difference, you agree on a number or amount that is exactly in the middle of the difference between two other numbers or amounts.

You want $30 and I can give you $10 - let's split the difference and I'll pay you $20.

I wanted £50 for the table and she offered £30, so we agreed to split the difference.