Finding the Third Proportional to 39,391.50 and 56,626.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,391.50 : 56,626.88 = 56,626.88 : x
2. Step 2: Convert to fraction form
   39,391.50/56,626.88 = 56,626.88/x
3. Step 3: Cross multiply
   39,391.50x = 56,626.88 × 56,626.88
4. Step 4: Simplify right side
   39,391.50x = 3,206,602,972.27
5. Step 5: Solve for x
   x = 3,206,602,972.27/39,391.50
6. Step 6: Final answer
   x = 81,403.42