Finding the Third Proportional to 1,247,644 and 2,702,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,644 : 2,702,648 = 2,702,648 : x
2. Step 2: Convert to fraction form
   1,247,644/2,702,648 = 2,702,648/x
3. Step 3: Cross multiply
   1,247,644x = 2,702,648 × 2,702,648
4. Step 4: Simplify right side
   1,247,644x = 7,304,306,211,904
5. Step 5: Solve for x
   x = 7,304,306,211,904/1,247,644
6. Step 6: Final answer
   x = 5,854,479.49