Finding the Third Proportional to 57,297.38 and 71,391.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,297.38 : 71,391.38 = 71,391.38 : x
2. Step 2: Convert to fraction form
   57,297.38/71,391.38 = 71,391.38/x
3. Step 3: Cross multiply
   57,297.38x = 71,391.38 × 71,391.38
4. Step 4: Simplify right side
   57,297.38x = 5,096,728,424.39
5. Step 5: Solve for x
   x = 5,096,728,424.39/57,297.38
6. Step 6: Final answer
   x = 88,952.22