Finding the Third Proportional to 404,534 and 886,828

Step by Step Solution

1. Step 1: Write the proportion equation
   404,534 : 886,828 = 886,828 : x
2. Step 2: Convert to fraction form
   404,534/886,828 = 886,828/x
3. Step 3: Cross multiply
   404,534x = 886,828 × 886,828
4. Step 4: Simplify right side
   404,534x = 786,463,901,584
5. Step 5: Solve for x
   x = 786,463,901,584/404,534
6. Step 6: Final answer
   x = 1,944,123.12