Finding the Third Proportional to 800,216 and 1,208,892

Step by Step Solution

1. Step 1: Write the proportion equation
   800,216 : 1,208,892 = 1,208,892 : x
2. Step 2: Convert to fraction form
   800,216/1,208,892 = 1,208,892/x
3. Step 3: Cross multiply
   800,216x = 1,208,892 × 1,208,892
4. Step 4: Simplify right side
   800,216x = 1,461,419,867,664
5. Step 5: Solve for x
   x = 1,461,419,867,664/800,216
6. Step 6: Final answer
   x = 1,826,281.74