Finding the Third Proportional to 1,142,478 and 2,481,621

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,478 : 2,481,621 = 2,481,621 : x
2. Step 2: Convert to fraction form
   1,142,478/2,481,621 = 2,481,621/x
3. Step 3: Cross multiply
   1,142,478x = 2,481,621 × 2,481,621
4. Step 4: Simplify right side
   1,142,478x = 6,158,442,787,641
5. Step 5: Solve for x
   x = 6,158,442,787,641/1,142,478
6. Step 6: Final answer
   x = 5,390,425.71