Finding the Third Proportional to 57,499.88 and 88,072.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,499.88 : 88,072.31 = 88,072.31 : x
2. Step 2: Convert to fraction form
   57,499.88/88,072.31 = 88,072.31/x
3. Step 3: Cross multiply
   57,499.88x = 88,072.31 × 88,072.31
4. Step 4: Simplify right side
   57,499.88x = 7,756,732,229.10
5. Step 5: Solve for x
   x = 7,756,732,229.10/57,499.88
6. Step 6: Final answer
   x = 134,899.98