Finding the Third Proportional to 2,556,562 and 5,472,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,562 : 5,472,238 = 5,472,238 : x
2. Step 2: Convert to fraction form
   2,556,562/5,472,238 = 5,472,238/x
3. Step 3: Cross multiply
   2,556,562x = 5,472,238 × 5,472,238
4. Step 4: Simplify right side
   2,556,562x = 29,945,388,728,644
5. Step 5: Solve for x
   x = 29,945,388,728,644/2,556,562
6. Step 6: Final answer
   x = 11,713,147.86