Finding the Third Proportional to 31,240.69 and 50,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,240.69 : 50,323.78 = 50,323.78 : x
2. Step 2: Convert to fraction form
   31,240.69/50,323.78 = 50,323.78/x
3. Step 3: Cross multiply
   31,240.69x = 50,323.78 × 50,323.78
4. Step 4: Simplify right side
   31,240.69x = 2,532,482,959.30
5. Step 5: Solve for x
   x = 2,532,482,959.30/31,240.69
6. Step 6: Final answer
   x = 81,063.61