Finding the Third Proportional to 131,816,738.25 and 287,067,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,816,738.25 : 287,067,424.50 = 287,067,424.50 : x
2. Step 2: Convert to fraction form
   131,816,738.25/287,067,424.50 = 287,067,424.50/x
3. Step 3: Cross multiply
   131,816,738.25x = 287,067,424.50 × 287,067,424.50
4. Step 4: Simplify right side
   131,816,738.25x = 82,407,706,209,063,200
5. Step 5: Solve for x
   x = 82,407,706,209,063,200/131,816,738.25
6. Step 6: Final answer
   x = 625,168,755.52