Finding the Third Proportional to 31,900,718 and 49,491,386

Step by Step Solution

1. Step 1: Write the proportion equation
   31,900,718 : 49,491,386 = 49,491,386 : x
2. Step 2: Convert to fraction form
   31,900,718/49,491,386 = 49,491,386/x
3. Step 3: Cross multiply
   31,900,718x = 49,491,386 × 49,491,386
4. Step 4: Simplify right side
   31,900,718x = 2,449,397,288,200,996
5. Step 5: Solve for x
   x = 2,449,397,288,200,996/31,900,718
6. Step 6: Final answer
   x = 76,781,885.86