Finding the Third Proportional to 31,843.75 and 67,480.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,843.75 : 67,480.25 = 67,480.25 : x
2. Step 2: Convert to fraction form
   31,843.75/67,480.25 = 67,480.25/x
3. Step 3: Cross multiply
   31,843.75x = 67,480.25 × 67,480.25
4. Step 4: Simplify right side
   31,843.75x = 4,553,584,140.06
5. Step 5: Solve for x
   x = 4,553,584,140.06/31,843.75
6. Step 6: Final answer
   x = 142,997.74