Finding the Third Proportional to 1,017,390 and 2,211,745

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,390 : 2,211,745 = 2,211,745 : x
2. Step 2: Convert to fraction form
   1,017,390/2,211,745 = 2,211,745/x
3. Step 3: Cross multiply
   1,017,390x = 2,211,745 × 2,211,745
4. Step 4: Simplify right side
   1,017,390x = 4,891,815,945,025
5. Step 5: Solve for x
   x = 4,891,815,945,025/1,017,390
6. Step 6: Final answer
   x = 4,808,201.32