Finding the Third Proportional to 2,840,456 and 3,995,291

Step by Step Solution

1. Step 1: Write the proportion equation
   2,840,456 : 3,995,291 = 3,995,291 : x
2. Step 2: Convert to fraction form
   2,840,456/3,995,291 = 3,995,291/x
3. Step 3: Cross multiply
   2,840,456x = 3,995,291 × 3,995,291
4. Step 4: Simplify right side
   2,840,456x = 15,962,350,174,681
5. Step 5: Solve for x
   x = 15,962,350,174,681/2,840,456
6. Step 6: Final answer
   x = 5,619,643.53