Finding the Third Proportional to 1,198,398 and 2,544,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,398 : 2,544,540 = 2,544,540 : x
2. Step 2: Convert to fraction form
   1,198,398/2,544,540 = 2,544,540/x
3. Step 3: Cross multiply
   1,198,398x = 2,544,540 × 2,544,540
4. Step 4: Simplify right side
   1,198,398x = 6,474,683,811,600
5. Step 5: Solve for x
   x = 6,474,683,811,600/1,198,398
6. Step 6: Final answer
   x = 5,402,782.56