Finding the Third Proportional to 64,129.50 and 98,715.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,129.50 : 98,715.38 = 98,715.38 : x
2. Step 2: Convert to fraction form
   64,129.50/98,715.38 = 98,715.38/x
3. Step 3: Cross multiply
   64,129.50x = 98,715.38 × 98,715.38
4. Step 4: Simplify right side
   64,129.50x = 9,744,725,261.39
5. Step 5: Solve for x
   x = 9,744,725,261.39/64,129.50
6. Step 6: Final answer
   x = 151,953.86