Finding the Third Proportional to 621,958 and 1,306,582

Step by Step Solution

1. Step 1: Write the proportion equation
   621,958 : 1,306,582 = 1,306,582 : x
2. Step 2: Convert to fraction form
   621,958/1,306,582 = 1,306,582/x
3. Step 3: Cross multiply
   621,958x = 1,306,582 × 1,306,582
4. Step 4: Simplify right side
   621,958x = 1,707,156,522,724
5. Step 5: Solve for x
   x = 1,707,156,522,724/621,958
6. Step 6: Final answer
   x = 2,744,809.98