3 car seats in a row.

Sk

I need help with finding 3 car seats that fit in one row. Baby #3 is due in October and my current babies will be 4 1/2 and 3years old.. I drive a 2019 Chevy Equinox and I just can't imagine fitting 3 seats in there. Any recommendations?

Edit to add: they are both still in convertible car seats. My daughter is still rear facing and I'd like to keep it that way but giving the circumstances she might have to be turned around..