Screen Share & spotlight to be same size on screen

I want to screen-share and have a speaker at the same time. I want both to be next to each other on the screen and be the same size.  When I spotlight both myself and a second person and then screen share, the two spotlight go to the side of the screen and are smaller.  When the spotlighted person is very demonstrative and some of what he is saying is not 1005 relevant to the screen share people are not really looking at the speaker because he is a small box to the side.