Finding the Third Proportional to 1,038,582 and 2,159,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,582 : 2,159,720 = 2,159,720 : x
2. Step 2: Convert to fraction form
   1,038,582/2,159,720 = 2,159,720/x
3. Step 3: Cross multiply
   1,038,582x = 2,159,720 × 2,159,720
4. Step 4: Simplify right side
   1,038,582x = 4,664,390,478,400
5. Step 5: Solve for x
   x = 4,664,390,478,400/1,038,582
6. Step 6: Final answer
   x = 4,491,114.31