Finding the Third Proportional to 1,027,018 and 2,216,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,018 : 2,216,420 = 2,216,420 : x
2. Step 2: Convert to fraction form
   1,027,018/2,216,420 = 2,216,420/x
3. Step 3: Cross multiply
   1,027,018x = 2,216,420 × 2,216,420
4. Step 4: Simplify right side
   1,027,018x = 4,912,517,616,400
5. Step 5: Solve for x
   x = 4,912,517,616,400/1,027,018
6. Step 6: Final answer
   x = 4,783,282.88