Congrats to Sam Peep & Aggie Dee for the FTF!!
Park your car, check out the sign at the posted coordinates, and take note of how many feet it is "East to Long Path". Use that 3 digit number for calculations.
Solve for N 40 55.xxx W 73 55.xxx
To obtain North Coordinates: Divide that number in half and add your result to the posted north coordinates. Add another 10 for the final
To obtain West Coordinates: Add that number from the sign to the posted West coordinates and add another 17 for the final coordinates.