Finding the Third Proportional to 640,826 and 966,162

Step by Step Solution

1. Step 1: Write the proportion equation
   640,826 : 966,162 = 966,162 : x
2. Step 2: Convert to fraction form
   640,826/966,162 = 966,162/x
3. Step 3: Cross multiply
   640,826x = 966,162 × 966,162
4. Step 4: Simplify right side
   640,826x = 933,469,010,244
5. Step 5: Solve for x
   x = 933,469,010,244/640,826
6. Step 6: Final answer
   x = 1,456,665.32