Finding the Third Proportional to 997,734 and 2,188,605

Step by Step Solution

1. Step 1: Write the proportion equation
   997,734 : 2,188,605 = 2,188,605 : x
2. Step 2: Convert to fraction form
   997,734/2,188,605 = 2,188,605/x
3. Step 3: Cross multiply
   997,734x = 2,188,605 × 2,188,605
4. Step 4: Simplify right side
   997,734x = 4,789,991,846,025
5. Step 5: Solve for x
   x = 4,789,991,846,025/997,734
6. Step 6: Final answer
   x = 4,800,870.62