Finding the Third Proportional to 31,326.75 and 67,847.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,326.75 : 67,847.25 = 67,847.25 : x
2. Step 2: Convert to fraction form
   31,326.75/67,847.25 = 67,847.25/x
3. Step 3: Cross multiply
   31,326.75x = 67,847.25 × 67,847.25
4. Step 4: Simplify right side
   31,326.75x = 4,603,249,332.56
5. Step 5: Solve for x
   x = 4,603,249,332.56/31,326.75
6. Step 6: Final answer
   x = 146,943.09