Finding the Third Proportional to 59,218.88 and 80,398.13

Step by Step Solution

1. Step 1: Write the proportion equation
   59,218.88 : 80,398.13 = 80,398.13 : x
2. Step 2: Convert to fraction form
   59,218.88/80,398.13 = 80,398.13/x
3. Step 3: Cross multiply
   59,218.88x = 80,398.13 × 80,398.13
4. Step 4: Simplify right side
   59,218.88x = 6,463,858,503.52
5. Step 5: Solve for x
   x = 6,463,858,503.52/59,218.88
6. Step 6: Final answer
   x = 109,152.00