Finding the Third Proportional to 39,943.13 and 87,738.19

Step by Step Solution

1. Step 1: Write the proportion equation
   39,943.13 : 87,738.19 = 87,738.19 : x
2. Step 2: Convert to fraction form
   39,943.13/87,738.19 = 87,738.19/x
3. Step 3: Cross multiply
   39,943.13x = 87,738.19 × 87,738.19
4. Step 4: Simplify right side
   39,943.13x = 7,697,989,545.79
5. Step 5: Solve for x
   x = 7,697,989,545.79/39,943.13
6. Step 6: Final answer
   x = 192,723.77