Finding the Third Proportional to 60,385.50 and 88,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,385.50 : 88,519.50 = 88,519.50 : x
2. Step 2: Convert to fraction form
   60,385.50/88,519.50 = 88,519.50/x
3. Step 3: Cross multiply
   60,385.50x = 88,519.50 × 88,519.50
4. Step 4: Simplify right side
   60,385.50x = 7,835,701,880.25
5. Step 5: Solve for x
   x = 7,835,701,880.25/60,385.50
6. Step 6: Final answer
   x = 129,761.31