Finding the Third Proportional to 57,507.75 and 88,270.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,507.75 : 88,270.31 = 88,270.31 : x
2. Step 2: Convert to fraction form
   57,507.75/88,270.31 = 88,270.31/x
3. Step 3: Cross multiply
   57,507.75x = 88,270.31 × 88,270.31
4. Step 4: Simplify right side
   57,507.75x = 7,791,648,068.85
5. Step 5: Solve for x
   x = 7,791,648,068.85/57,507.75
6. Step 6: Final answer
   x = 135,488.66