Finding the Third Proportional to 64,613.68 and 96,531.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,613.68 : 96,531.28 = 96,531.28 : x
2. Step 2: Convert to fraction form
   64,613.68/96,531.28 = 96,531.28/x
3. Step 3: Cross multiply
   64,613.68x = 96,531.28 × 96,531.28
4. Step 4: Simplify right side
   64,613.68x = 9,318,287,128.54
5. Step 5: Solve for x
   x = 9,318,287,128.54/64,613.68
6. Step 6: Final answer
   x = 144,215.40