Finding the Third Proportional to 2,571,399 and 5,475,768

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,399 : 5,475,768 = 5,475,768 : x
2. Step 2: Convert to fraction form
   2,571,399/5,475,768 = 5,475,768/x
3. Step 3: Cross multiply
   2,571,399x = 5,475,768 × 5,475,768
4. Step 4: Simplify right side
   2,571,399x = 29,984,035,189,824
5. Step 5: Solve for x
   x = 29,984,035,189,824/2,571,399
6. Step 6: Final answer
   x = 11,660,592.23