Finding the Third Proportional to 2,560,622 and 3,964,593

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560,622 : 3,964,593 = 3,964,593 : x
2. Step 2: Convert to fraction form
   2,560,622/3,964,593 = 3,964,593/x
3. Step 3: Cross multiply
   2,560,622x = 3,964,593 × 3,964,593
4. Step 4: Simplify right side
   2,560,622x = 15,717,997,655,649
5. Step 5: Solve for x
   x = 15,717,997,655,649/2,560,622
6. Step 6: Final answer
   x = 6,138,351.41