Finding the Third Proportional to 39,531.38 and 62,872.31

Step by Step Solution

1. Step 1: Write the proportion equation
   39,531.38 : 62,872.31 = 62,872.31 : x
2. Step 2: Convert to fraction form
   39,531.38/62,872.31 = 62,872.31/x
3. Step 3: Cross multiply
   39,531.38x = 62,872.31 × 62,872.31
4. Step 4: Simplify right side
   39,531.38x = 3,952,927,679.10
5. Step 5: Solve for x
   x = 3,952,927,679.10/39,531.38
6. Step 6: Final answer
   x = 99,994.69