Finding the Third Proportional to 2,571,621 and 5,497,521

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,621 : 5,497,521 = 5,497,521 : x
2. Step 2: Convert to fraction form
   2,571,621/5,497,521 = 5,497,521/x
3. Step 3: Cross multiply
   2,571,621x = 5,497,521 × 5,497,521
4. Step 4: Simplify right side
   2,571,621x = 30,222,737,145,441
5. Step 5: Solve for x
   x = 30,222,737,145,441/2,571,621
6. Step 6: Final answer
   x = 11,752,407.20