Finding the Third Proportional to 822,664 and 1,802,896

Step by Step Solution

1. Step 1: Write the proportion equation
   822,664 : 1,802,896 = 1,802,896 : x
2. Step 2: Convert to fraction form
   822,664/1,802,896 = 1,802,896/x
3. Step 3: Cross multiply
   822,664x = 1,802,896 × 1,802,896
4. Step 4: Simplify right side
   822,664x = 3,250,433,986,816
5. Step 5: Solve for x
   x = 3,250,433,986,816/822,664
6. Step 6: Final answer
   x = 3,951,107.61