Finding the Third Proportional to 57,154.88 and 86,872.13

Step by Step Solution

1. Step 1: Write the proportion equation
   57,154.88 : 86,872.13 = 86,872.13 : x
2. Step 2: Convert to fraction form
   57,154.88/86,872.13 = 86,872.13/x
3. Step 3: Cross multiply
   57,154.88x = 86,872.13 × 86,872.13
4. Step 4: Simplify right side
   57,154.88x = 7,546,766,102.02
5. Step 5: Solve for x
   x = 7,546,766,102.02/57,154.88
6. Step 6: Final answer
   x = 132,040.64