Finding the Third Proportional to 39,717 and 58,359.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,717 : 58,359.38 = 58,359.38 : x
2. Step 2: Convert to fraction form
   39,717/58,359.38 = 58,359.38/x
3. Step 3: Cross multiply
   39,717x = 58,359.38 × 58,359.38
4. Step 4: Simplify right side
   39,717x = 3,405,816,650.39
5. Step 5: Solve for x
   x = 3,405,816,650.39/39,717
6. Step 6: Final answer
   x = 85,752.11