Finding the Third Proportional to 31,073.63 and 67,398.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.63 : 67,398.33 = 67,398.33 : x
2. Step 2: Convert to fraction form
   31,073.63/67,398.33 = 67,398.33/x
3. Step 3: Cross multiply
   31,073.63x = 67,398.33 × 67,398.33
4. Step 4: Simplify right side
   31,073.63x = 4,542,534,634.05
5. Step 5: Solve for x
   x = 4,542,534,634.05/31,073.63
6. Step 6: Final answer
   x = 146,186.18