Finding the Third Proportional to 31,548.38 and 67,474.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548.38 : 67,474.13 = 67,474.13 : x
2. Step 2: Convert to fraction form
   31,548.38/67,474.13 = 67,474.13/x
3. Step 3: Cross multiply
   31,548.38x = 67,474.13 × 67,474.13
4. Step 4: Simplify right side
   31,548.38x = 4,552,757,544.52
5. Step 5: Solve for x
   x = 4,552,757,544.52/31,548.38
6. Step 6: Final answer
   x = 144,310.37