Finding the Third Proportional to 43,124.91 and 64,417.78

Step by Step Solution

1. Step 1: Write the proportion equation
   43,124.91 : 64,417.78 = 64,417.78 : x
2. Step 2: Convert to fraction form
   43,124.91/64,417.78 = 64,417.78/x
3. Step 3: Cross multiply
   43,124.91x = 64,417.78 × 64,417.78
4. Step 4: Simplify right side
   43,124.91x = 4,149,650,541.17
5. Step 5: Solve for x
   x = 4,149,650,541.17/43,124.91
6. Step 6: Final answer
   x = 96,223.99