Finding the Third Proportional to 997,756 and 2,188,680

Step by Step Solution

1. Step 1: Write the proportion equation
   997,756 : 2,188,680 = 2,188,680 : x
2. Step 2: Convert to fraction form
   997,756/2,188,680 = 2,188,680/x
3. Step 3: Cross multiply
   997,756x = 2,188,680 × 2,188,680
4. Step 4: Simplify right side
   997,756x = 4,790,320,142,400
5. Step 5: Solve for x
   x = 4,790,320,142,400/997,756
6. Step 6: Final answer
   x = 4,801,093.80