Finding the Third Proportional to 32,605.31 and 68,712.75

Step by Step Solution

1. Step 1: Write the proportion equation
   32,605.31 : 68,712.75 = 68,712.75 : x
2. Step 2: Convert to fraction form
   32,605.31/68,712.75 = 68,712.75/x
3. Step 3: Cross multiply
   32,605.31x = 68,712.75 × 68,712.75
4. Step 4: Simplify right side
   32,605.31x = 4,721,442,012.56
5. Step 5: Solve for x
   x = 4,721,442,012.56/32,605.31
6. Step 6: Final answer
   x = 144,805.91