Place the 3 columns within a container stack. Select the customize columns option and set the middle column to be the larger of the columns. A setting of 3 for the 1st column and 3rd column and 6 for the 2nd column.
I didn’t use it, but if you need a subtitle within a divider, you can use the divider stack with the “solid with label” option enabled and adjust the settings to your liking.