Finding the Third Proportional to 2,569,920 and 5,481,836

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569,920 : 5,481,836 = 5,481,836 : x
2. Step 2: Convert to fraction form
   2,569,920/5,481,836 = 5,481,836/x
3. Step 3: Cross multiply
   2,569,920x = 5,481,836 × 5,481,836
4. Step 4: Simplify right side
   2,569,920x = 30,050,525,930,896
5. Step 5: Solve for x
   x = 30,050,525,930,896/2,569,920
6. Step 6: Final answer
   x = 11,693,175.64