Finding the Third Proportional to 2,609,854 and 3,992,786

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,854 : 3,992,786 = 3,992,786 : x
2. Step 2: Convert to fraction form
   2,609,854/3,992,786 = 3,992,786/x
3. Step 3: Cross multiply
   2,609,854x = 3,992,786 × 3,992,786
4. Step 4: Simplify right side
   2,609,854x = 15,942,340,041,796
5. Step 5: Solve for x
   x = 15,942,340,041,796/2,609,854
6. Step 6: Final answer
   x = 6,108,517.96