Finding the Third Proportional to 609,639 and 1,339,950

Step by Step Solution

1. Step 1: Write the proportion equation
   609,639 : 1,339,950 = 1,339,950 : x
2. Step 2: Convert to fraction form
   609,639/1,339,950 = 1,339,950/x
3. Step 3: Cross multiply
   609,639x = 1,339,950 × 1,339,950
4. Step 4: Simplify right side
   609,639x = 1,795,466,002,500
5. Step 5: Solve for x
   x = 1,795,466,002,500/609,639
6. Step 6: Final answer
   x = 2,945,129.83