Finding the Third Proportional to 2,568,924 and 4,000,428

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,924 : 4,000,428 = 4,000,428 : x
2. Step 2: Convert to fraction form
   2,568,924/4,000,428 = 4,000,428/x
3. Step 3: Cross multiply
   2,568,924x = 4,000,428 × 4,000,428
4. Step 4: Simplify right side
   2,568,924x = 16,003,424,183,184
5. Step 5: Solve for x
   x = 16,003,424,183,184/2,568,924
6. Step 6: Final answer
   x = 6,229,621.50