Finding the Third Proportional to 57,716 and 86,955

Step by Step Solution

1. Step 1: Write the proportion equation
   57,716 : 86,955 = 86,955 : x
2. Step 2: Convert to fraction form
   57,716/86,955 = 86,955/x
3. Step 3: Cross multiply
   57,716x = 86,955 × 86,955
4. Step 4: Simplify right side
   57,716x = 7,561,172,025
5. Step 5: Solve for x
   x = 7,561,172,025/57,716
6. Step 6: Final answer
   x = 131,006.52