Finding the Third Proportional to 39,339 and 58,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,339 : 58,414.50 = 58,414.50 : x
2. Step 2: Convert to fraction form
   39,339/58,414.50 = 58,414.50/x
3. Step 3: Cross multiply
   39,339x = 58,414.50 × 58,414.50
4. Step 4: Simplify right side
   39,339x = 3,412,253,810.25
5. Step 5: Solve for x
   x = 3,412,253,810.25/39,339
6. Step 6: Final answer
   x = 86,739.72