Finding the Third Proportional to 404,005 and 849,887

Step by Step Solution

1. Step 1: Write the proportion equation
   404,005 : 849,887 = 849,887 : x
2. Step 2: Convert to fraction form
   404,005/849,887 = 849,887/x
3. Step 3: Cross multiply
   404,005x = 849,887 × 849,887
4. Step 4: Simplify right side
   404,005x = 722,307,912,769
5. Step 5: Solve for x
   x = 722,307,912,769/404,005
6. Step 6: Final answer
   x = 1,787,868.75