Finding the Third Proportional to 59,112.50 and 81,285.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,112.50 : 81,285.75 = 81,285.75 : x
2. Step 2: Convert to fraction form
   59,112.50/81,285.75 = 81,285.75/x
3. Step 3: Cross multiply
   59,112.50x = 81,285.75 × 81,285.75
4. Step 4: Simplify right side
   59,112.50x = 6,607,373,153.06
5. Step 5: Solve for x
   x = 6,607,373,153.06/59,112.50
6. Step 6: Final answer
   x = 111,776.24