Finding the Third Proportional to 1,206,225 and 2,511,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,225 : 2,511,648 = 2,511,648 : x
2. Step 2: Convert to fraction form
   1,206,225/2,511,648 = 2,511,648/x
3. Step 3: Cross multiply
   1,206,225x = 2,511,648 × 2,511,648
4. Step 4: Simplify right side
   1,206,225x = 6,308,375,675,904
5. Step 5: Solve for x
   x = 6,308,375,675,904/1,206,225
6. Step 6: Final answer
   x = 5,229,849.88