Finding the Third Proportional to 404,007 and 849,891

Step by Step Solution

1. Step 1: Write the proportion equation
   404,007 : 849,891 = 849,891 : x
2. Step 2: Convert to fraction form
   404,007/849,891 = 849,891/x
3. Step 3: Cross multiply
   404,007x = 849,891 × 849,891
4. Step 4: Simplify right side
   404,007x = 722,314,711,881
5. Step 5: Solve for x
   x = 722,314,711,881/404,007
6. Step 6: Final answer
   x = 1,787,876.72