The ornamental design for a displayscreen with transitionalgraphical user interface, as shown and described.
FIG. 1 is front view of a display screen with transitional graphical user interface showing a first image in a sequence according to the claimed design; and,
FIG. 2 is a second image thereof.
The appearance of the transition is sequential from FIG. 1 to FIG. 2.
The process or period in which an image transitions to another image forms no part of the claimed design.
The outermost broken line illustrates the display screen and a boundary, and the broken line showing of alphanumeric characters illustrates portions of the transitional graphical user interface. None of the broken lines form part of the claimed design.