The ornamental design for a displayscreen with transitionalgraphical user interface, as shown and described.
FIG. 1 is a front view of a display screen with transitional graphical user interface showing my/our new design in a first transitional state; and,
FIG. 2 is a front view of a display screen with transitional graphical user interface showing my/our new design in a second transitional state.
The broken line showing the remainder of the transitional graphical user interface and the remainder of the display screen forms no part of the claimed design.
The claimed design sequentially changes between the states shown in FIGS. 1 and 2. The process or period by which the design changes between these states forms no part of the claimed design.