Finding the Third Proportional to 64,354.50 and 99,451.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,354.50 : 99,451.13 = 99,451.13 : x
2. Step 2: Convert to fraction form
   64,354.50/99,451.13 = 99,451.13/x
3. Step 3: Cross multiply
   64,354.50x = 99,451.13 × 99,451.13
4. Step 4: Simplify right side
   64,354.50x = 9,890,526,263.77
5. Step 5: Solve for x
   x = 9,890,526,263.77/64,354.50
6. Step 6: Final answer
   x = 153,688.18