Finding the Third Proportional to 404,009 and 849,895

Step by Step Solution

1. Step 1: Write the proportion equation
   404,009 : 849,895 = 849,895 : x
2. Step 2: Convert to fraction form
   404,009/849,895 = 849,895/x
3. Step 3: Cross multiply
   404,009x = 849,895 × 849,895
4. Step 4: Simplify right side
   404,009x = 722,321,511,025
5. Step 5: Solve for x
   x = 722,321,511,025/404,009
6. Step 6: Final answer
   x = 1,787,884.70