Finding the Third Proportional to 57,066.75 and 88,710.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,066.75 : 88,710.75 = 88,710.75 : x
2. Step 2: Convert to fraction form
   57,066.75/88,710.75 = 88,710.75/x
3. Step 3: Cross multiply
   57,066.75x = 88,710.75 × 88,710.75
4. Step 4: Simplify right side
   57,066.75x = 7,869,597,165.56
5. Step 5: Solve for x
   x = 7,869,597,165.56/57,066.75
6. Step 6: Final answer
   x = 137,901.62