Finding the Third Proportional to 31,254.75 and 68,375.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,254.75 : 68,375.25 = 68,375.25 : x
2. Step 2: Convert to fraction form
   31,254.75/68,375.25 = 68,375.25/x
3. Step 3: Cross multiply
   31,254.75x = 68,375.25 × 68,375.25
4. Step 4: Simplify right side
   31,254.75x = 4,675,174,812.56
5. Step 5: Solve for x
   x = 4,675,174,812.56/31,254.75
6. Step 6: Final answer
   x = 149,582.86