Finding the Third Proportional to 2,556,279 and 5,511,105

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,279 : 5,511,105 = 5,511,105 : x
2. Step 2: Convert to fraction form
   2,556,279/5,511,105 = 5,511,105/x
3. Step 3: Cross multiply
   2,556,279x = 5,511,105 × 5,511,105
4. Step 4: Simplify right side
   2,556,279x = 30,372,278,321,025
5. Step 5: Solve for x
   x = 30,372,278,321,025/2,556,279
6. Step 6: Final answer
   x = 11,881,441.08