Finding the Third Proportional to 2,568,928 and 4,000,434

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568,928 : 4,000,434 = 4,000,434 : x
2. Step 2: Convert to fraction form
   2,568,928/4,000,434 = 4,000,434/x
3. Step 3: Cross multiply
   2,568,928x = 4,000,434 × 4,000,434
4. Step 4: Simplify right side
   2,568,928x = 16,003,472,188,356
5. Step 5: Solve for x
   x = 16,003,472,188,356/2,568,928
6. Step 6: Final answer
   x = 6,229,630.49