Finding the Third Proportional to 1,142,478 and 2,442,447

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,478 : 2,442,447 = 2,442,447 : x
2. Step 2: Convert to fraction form
   1,142,478/2,442,447 = 2,442,447/x
3. Step 3: Cross multiply
   1,142,478x = 2,442,447 × 2,442,447
4. Step 4: Simplify right side
   1,142,478x = 5,965,547,347,809
5. Step 5: Solve for x
   x = 5,965,547,347,809/1,142,478
6. Step 6: Final answer
   x = 5,221,586.19