Finding the Third Proportional to 2,568,926 and 4,000,431

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,926 : 4,000,431 = 4,000,431 : x
2. Step 2: Convert to fraction form
   2,568,926/4,000,431 = 4,000,431/x
3. Step 3: Cross multiply
   2,568,926x = 4,000,431 × 4,000,431
4. Step 4: Simplify right side
   2,568,926x = 16,003,448,185,761
5. Step 5: Solve for x
   x = 16,003,448,185,761/2,568,926
6. Step 6: Final answer
   x = 6,229,625.99