Finding the Third Proportional to 2,571,403 and 5,475,776

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,403 : 5,475,776 = 5,475,776 : x
2. Step 2: Convert to fraction form
   2,571,403/5,475,776 = 5,475,776/x
3. Step 3: Cross multiply
   2,571,403x = 5,475,776 × 5,475,776
4. Step 4: Simplify right side
   2,571,403x = 29,984,122,802,176
5. Step 5: Solve for x
   x = 29,984,122,802,176/2,571,403
6. Step 6: Final answer
   x = 11,660,608.16