Finding the Third Proportional to 2,687,728 and 5,847,846

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,728 : 5,847,846 = 5,847,846 : x
2. Step 2: Convert to fraction form
   2,687,728/5,847,846 = 5,847,846/x
3. Step 3: Cross multiply
   2,687,728x = 5,847,846 × 5,847,846
4. Step 4: Simplify right side
   2,687,728x = 34,197,302,839,716
5. Step 5: Solve for x
   x = 34,197,302,839,716/2,687,728
6. Step 6: Final answer
   x = 12,723,498.37