Finding the Third Proportional to 59,107.50 and 89,752.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,107.50 : 89,752.50 = 89,752.50 : x
2. Step 2: Convert to fraction form
   59,107.50/89,752.50 = 89,752.50/x
3. Step 3: Cross multiply
   59,107.50x = 89,752.50 × 89,752.50
4. Step 4: Simplify right side
   59,107.50x = 8,055,511,256.25
5. Step 5: Solve for x
   x = 8,055,511,256.25/59,107.50
6. Step 6: Final answer
   x = 136,285.77