Finding the Third Proportional to 31,624.38 and 67,938.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,624.38 : 67,938.33 = 67,938.33 : x
2. Step 2: Convert to fraction form
   31,624.38/67,938.33 = 67,938.33/x
3. Step 3: Cross multiply
   31,624.38x = 67,938.33 × 67,938.33
4. Step 4: Simplify right side
   31,624.38x = 4,615,616,428.42
5. Step 5: Solve for x
   x = 4,615,616,428.42/31,624.38
6. Step 6: Final answer
   x = 145,951.19