Finding the Third Proportional to 2,559,864 and 5,499,612

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,864 : 5,499,612 = 5,499,612 : x
2. Step 2: Convert to fraction form
   2,559,864/5,499,612 = 5,499,612/x
3. Step 3: Cross multiply
   2,559,864x = 5,499,612 × 5,499,612
4. Step 4: Simplify right side
   2,559,864x = 30,245,732,150,544
5. Step 5: Solve for x
   x = 30,245,732,150,544/2,559,864
6. Step 6: Final answer
   x = 11,815,366.81