Finding the Third Proportional to 31,044.09 and 67,489.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,044.09 : 67,489.03 = 67,489.03 : x
2. Step 2: Convert to fraction form
   31,044.09/67,489.03 = 67,489.03/x
3. Step 3: Cross multiply
   31,044.09x = 67,489.03 × 67,489.03
4. Step 4: Simplify right side
   31,044.09x = 4,554,769,339.06
5. Step 5: Solve for x
   x = 4,554,769,339.06/31,044.09
6. Step 6: Final answer
   x = 146,719.35