Finding the Third Proportional to 40,116.52 and 56,081.11

Step by Step Solution

1. Step 1: Write the proportion equation
   40,116.52 : 56,081.11 = 56,081.11 : x
2. Step 2: Convert to fraction form
   40,116.52/56,081.11 = 56,081.11/x
3. Step 3: Cross multiply
   40,116.52x = 56,081.11 × 56,081.11
4. Step 4: Simplify right side
   40,116.52x = 3,145,090,828.73
5. Step 5: Solve for x
   x = 3,145,090,828.73/40,116.52
6. Step 6: Final answer
   x = 78,398.90