Finding the Third Proportional to 31,546.13 and 67,179.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,546.13 : 67,179.38 = 67,179.38 : x
2. Step 2: Convert to fraction form
   31,546.13/67,179.38 = 67,179.38/x
3. Step 3: Cross multiply
   31,546.13x = 67,179.38 × 67,179.38
4. Step 4: Simplify right side
   31,546.13x = 4,513,068,425.39
5. Step 5: Solve for x
   x = 4,513,068,425.39/31,546.13
6. Step 6: Final answer
   x = 143,062.53