Finding the Third Proportional to 2,559,845 and 5,499,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,845 : 5,499,578 = 5,499,578 : x
2. Step 2: Convert to fraction form
   2,559,845/5,499,578 = 5,499,578/x
3. Step 3: Cross multiply
   2,559,845x = 5,499,578 × 5,499,578
4. Step 4: Simplify right side
   2,559,845x = 30,245,358,178,084
5. Step 5: Solve for x
   x = 30,245,358,178,084/2,559,845
6. Step 6: Final answer
   x = 11,815,308.42