Finding the Third Proportional to 1,201,986 and 2,448,504

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,986 : 2,448,504 = 2,448,504 : x
2. Step 2: Convert to fraction form
   1,201,986/2,448,504 = 2,448,504/x
3. Step 3: Cross multiply
   1,201,986x = 2,448,504 × 2,448,504
4. Step 4: Simplify right side
   1,201,986x = 5,995,171,838,016
5. Step 5: Solve for x
   x = 5,995,171,838,016/1,201,986
6. Step 6: Final answer
   x = 4,987,721.85