Finding the Third Proportional to 621,966 and 1,306,596

Step by Step Solution

1. Step 1: Write the proportion equation
   621,966 : 1,306,596 = 1,306,596 : x
2. Step 2: Convert to fraction form
   621,966/1,306,596 = 1,306,596/x
3. Step 3: Cross multiply
   621,966x = 1,306,596 × 1,306,596
4. Step 4: Simplify right side
   621,966x = 1,707,193,107,216
5. Step 5: Solve for x
   x = 1,707,193,107,216/621,966
6. Step 6: Final answer
   x = 2,744,833.49