Don't go to the posted location you'll only end up going around in circles.
It's a Missing Number solve where the coordinates are
S 36° 47.ABC′ E 174° 42.DEF′.
Solve ABC:What number comes next in the sequence. 22, 47, 97, 197, ABC.
Solve DEF: What number comes next in the sequence.
49.5, 101, 204, 410, DEF.