Finding the Third Proportional to 1,247,768 and 2,554,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,768 : 2,554,540 = 2,554,540 : x
2. Step 2: Convert to fraction form
   1,247,768/2,554,540 = 2,554,540/x
3. Step 3: Cross multiply
   1,247,768x = 2,554,540 × 2,554,540
4. Step 4: Simplify right side
   1,247,768x = 6,525,674,611,600
5. Step 5: Solve for x
   x = 6,525,674,611,600/1,247,768
6. Step 6: Final answer
   x = 5,229,878.16