Finding the Third Proportional to 59,899.50 and 89,332.88

Step by Step Solution

1. Step 1: Write the proportion equation
   59,899.50 : 89,332.88 = 89,332.88 : x
2. Step 2: Convert to fraction form
   59,899.50/89,332.88 = 89,332.88/x
3. Step 3: Cross multiply
   59,899.50x = 89,332.88 × 89,332.88
4. Step 4: Simplify right side
   59,899.50x = 7,980,362,555.77
5. Step 5: Solve for x
   x = 7,980,362,555.77/59,899.50
6. Step 6: Final answer
   x = 133,229.20