Finding the Third Proportional to 2,687,812 and 5,847,926

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,812 : 5,847,926 = 5,847,926 : x
2. Step 2: Convert to fraction form
   2,687,812/5,847,926 = 5,847,926/x
3. Step 3: Cross multiply
   2,687,812x = 5,847,926 × 5,847,926
4. Step 4: Simplify right side
   2,687,812x = 34,198,238,501,476
5. Step 5: Solve for x
   x = 34,198,238,501,476/2,687,812
6. Step 6: Final answer
   x = 12,723,448.85