Finding the Third Proportional to 2,561,906 and 5,544,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,906 : 5,544,578 = 5,544,578 : x
2. Step 2: Convert to fraction form
   2,561,906/5,544,578 = 5,544,578/x
3. Step 3: Cross multiply
   2,561,906x = 5,544,578 × 5,544,578
4. Step 4: Simplify right side
   2,561,906x = 30,742,345,198,084
5. Step 5: Solve for x
   x = 30,742,345,198,084/2,561,906
6. Step 6: Final answer
   x = 11,999,794.37