Finding the Third Proportional to 31,251.88 and 49,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,251.88 : 49,645.50 = 49,645.50 : x
2. Step 2: Convert to fraction form
   31,251.88/49,645.50 = 49,645.50/x
3. Step 3: Cross multiply
   31,251.88x = 49,645.50 × 49,645.50
4. Step 4: Simplify right side
   31,251.88x = 2,464,675,670.25
5. Step 5: Solve for x
   x = 2,464,675,670.25/31,251.88
6. Step 6: Final answer
   x = 78,864.89