Finding the Third Proportional to 2,840,454 and 3,995,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840,454 : 3,995,288 = 3,995,288 : x
2. Step 2: Convert to fraction form
   2,840,454/3,995,288 = 3,995,288/x
3. Step 3: Cross multiply
   2,840,454x = 3,995,288 × 3,995,288
4. Step 4: Simplify right side
   2,840,454x = 15,962,326,202,944
5. Step 5: Solve for x
   x = 15,962,326,202,944/2,840,454
6. Step 6: Final answer
   x = 5,619,639.04