Finding the Third Proportional to 2,571,401 and 5,475,772

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,401 : 5,475,772 = 5,475,772 : x
2. Step 2: Convert to fraction form
   2,571,401/5,475,772 = 5,475,772/x
3. Step 3: Cross multiply
   2,571,401x = 5,475,772 × 5,475,772
4. Step 4: Simplify right side
   2,571,401x = 29,984,078,995,984
5. Step 5: Solve for x
   x = 29,984,078,995,984/2,571,401
6. Step 6: Final answer
   x = 11,660,600.19