Finding the Third Proportional to 997,724 and 2,188,616

Step by Step Solution

1. Step 1: Write the proportion equation
   997,724 : 2,188,616 = 2,188,616 : x
2. Step 2: Convert to fraction form
   997,724/2,188,616 = 2,188,616/x
3. Step 3: Cross multiply
   997,724x = 2,188,616 × 2,188,616
4. Step 4: Simplify right side
   997,724x = 4,790,039,995,456
5. Step 5: Solve for x
   x = 4,790,039,995,456/997,724
6. Step 6: Final answer
   x = 4,800,967.00