Finding the Third Proportional to 2,609,880 and 3,992,826

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,880 : 3,992,826 = 3,992,826 : x
2. Step 2: Convert to fraction form
   2,609,880/3,992,826 = 3,992,826/x
3. Step 3: Cross multiply
   2,609,880x = 3,992,826 × 3,992,826
4. Step 4: Simplify right side
   2,609,880x = 15,942,659,466,276
5. Step 5: Solve for x
   x = 15,942,659,466,276/2,609,880
6. Step 6: Final answer
   x = 6,108,579.50