Finding the Third Proportional to 2,571,880 and 5,498,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,880 : 5,498,072 = 5,498,072 : x
2. Step 2: Convert to fraction form
   2,571,880/5,498,072 = 5,498,072/x
3. Step 3: Cross multiply
   2,571,880x = 5,498,072 × 5,498,072
4. Step 4: Simplify right side
   2,571,880x = 30,228,795,717,184
5. Step 5: Solve for x
   x = 30,228,795,717,184/2,571,880
6. Step 6: Final answer
   x = 11,753,579.37