Finding the Third Proportional to 31,331.25 and 49,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,331.25 : 49,225.50 = 49,225.50 : x
2. Step 2: Convert to fraction form
   31,331.25/49,225.50 = 49,225.50/x
3. Step 3: Cross multiply
   31,331.25x = 49,225.50 × 49,225.50
4. Step 4: Simplify right side
   31,331.25x = 2,423,149,850.25
5. Step 5: Solve for x
   x = 2,423,149,850.25/31,331.25
6. Step 6: Final answer
   x = 77,339.71