Finding the Third Proportional to 40,105.13 and 56,998.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,105.13 : 56,998.69 = 56,998.69 : x
2. Step 2: Convert to fraction form
   40,105.13/56,998.69 = 56,998.69/x
3. Step 3: Cross multiply
   40,105.13x = 56,998.69 × 56,998.69
4. Step 4: Simplify right side
   40,105.13x = 3,248,850,376.72
5. Step 5: Solve for x
   x = 3,248,850,376.72/40,105.13
6. Step 6: Final answer
   x = 81,008.36