Finding the Third Proportional to 39,391.88 and 59,115.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,391.88 : 59,115.38 = 59,115.38 : x
2. Step 2: Convert to fraction form
   39,391.88/59,115.38 = 59,115.38/x
3. Step 3: Cross multiply
   39,391.88x = 59,115.38 × 59,115.38
4. Step 4: Simplify right side
   39,391.88x = 3,494,627,561.39
5. Step 5: Solve for x
   x = 3,494,627,561.39/39,391.88
6. Step 6: Final answer
   x = 88,714.43