Finding the Third Proportional to 1,038,574 and 2,159,705

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,574 : 2,159,705 = 2,159,705 : x
2. Step 2: Convert to fraction form
   1,038,574/2,159,705 = 2,159,705/x
3. Step 3: Cross multiply
   1,038,574x = 2,159,705 × 2,159,705
4. Step 4: Simplify right side
   1,038,574x = 4,664,325,687,025
5. Step 5: Solve for x
   x = 4,664,325,687,025/1,038,574
6. Step 6: Final answer
   x = 4,491,086.52