Finding the Third Proportional to 31,057.50 and 67,032.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,057.50 : 67,032.38 = 67,032.38 : x
2. Step 2: Convert to fraction form
   31,057.50/67,032.38 = 67,032.38/x
3. Step 3: Cross multiply
   31,057.50x = 67,032.38 × 67,032.38
4. Step 4: Simplify right side
   31,057.50x = 4,493,339,298.14
5. Step 5: Solve for x
   x = 4,493,339,298.14/31,057.50
6. Step 6: Final answer
   x = 144,678.07