Finding the Third Proportional to 997,744 and 2,188,656

Step by Step Solution

1. Step 1: Write the proportion equation
   997,744 : 2,188,656 = 2,188,656 : x
2. Step 2: Convert to fraction form
   997,744/2,188,656 = 2,188,656/x
3. Step 3: Cross multiply
   997,744x = 2,188,656 × 2,188,656
4. Step 4: Simplify right side
   997,744x = 4,790,215,086,336
5. Step 5: Solve for x
   x = 4,790,215,086,336/997,744
6. Step 6: Final answer
   x = 4,801,046.25