Finding the Third Proportional to 2,686,826 and 4,028,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,826 : 4,028,578 = 4,028,578 : x
2. Step 2: Convert to fraction form
   2,686,826/4,028,578 = 4,028,578/x
3. Step 3: Cross multiply
   2,686,826x = 4,028,578 × 4,028,578
4. Step 4: Simplify right side
   2,686,826x = 16,229,440,702,084
5. Step 5: Solve for x
   x = 16,229,440,702,084/2,686,826
6. Step 6: Final answer
   x = 6,040,376.53