Finding the Third Proportional to 31,349.25 and 67,596.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,349.25 : 67,596.75 = 67,596.75 : x
2. Step 2: Convert to fraction form
   31,349.25/67,596.75 = 67,596.75/x
3. Step 3: Cross multiply
   31,349.25x = 67,596.75 × 67,596.75
4. Step 4: Simplify right side
   31,349.25x = 4,569,320,610.56
5. Step 5: Solve for x
   x = 4,569,320,610.56/31,349.25
6. Step 6: Final answer
   x = 145,755.34