Finding the Third Proportional to 1,012,452 and 2,138,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,452 : 2,138,742 = 2,138,742 : x
2. Step 2: Convert to fraction form
   1,012,452/2,138,742 = 2,138,742/x
3. Step 3: Cross multiply
   1,012,452x = 2,138,742 × 2,138,742
4. Step 4: Simplify right side
   1,012,452x = 4,574,217,342,564
5. Step 5: Solve for x
   x = 4,574,217,342,564/1,012,452
6. Step 6: Final answer
   x = 4,517,959.71