Finding the Third Proportional to 1,027,015 and 2,216,421

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,015 : 2,216,421 = 2,216,421 : x
2. Step 2: Convert to fraction form
   1,027,015/2,216,421 = 2,216,421/x
3. Step 3: Cross multiply
   1,027,015x = 2,216,421 × 2,216,421
4. Step 4: Simplify right side
   1,027,015x = 4,912,522,049,241
5. Step 5: Solve for x
   x = 4,912,522,049,241/1,027,015
6. Step 6: Final answer
   x = 4,783,301.17