Finding the Third Proportional to 996,976 and 2,162,216

Step by Step Solution

1. Step 1: Write the proportion equation
   996,976 : 2,162,216 = 2,162,216 : x
2. Step 2: Convert to fraction form
   996,976/2,162,216 = 2,162,216/x
3. Step 3: Cross multiply
   996,976x = 2,162,216 × 2,162,216
4. Step 4: Simplify right side
   996,976x = 4,675,178,030,656
5. Step 5: Solve for x
   x = 4,675,178,030,656/996,976
6. Step 6: Final answer
   x = 4,689,358.65