Finding the Third Proportional to 2,254,816 and 3,489,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254,816 : 3,489,872 = 3,489,872 : x
2. Step 2: Convert to fraction form
   2,254,816/3,489,872 = 3,489,872/x
3. Step 3: Cross multiply
   2,254,816x = 3,489,872 × 3,489,872
4. Step 4: Simplify right side
   2,254,816x = 12,179,206,576,384
5. Step 5: Solve for x
   x = 12,179,206,576,384/2,254,816
6. Step 6: Final answer
   x = 5,401,419.26