Finding the Third Proportional to 186,843 and 404,790

Step by Step Solution

1. Step 1: Write the proportion equation
   186,843 : 404,790 = 404,790 : x
2. Step 2: Convert to fraction form
   186,843/404,790 = 404,790/x
3. Step 3: Cross multiply
   186,843x = 404,790 × 404,790
4. Step 4: Simplify right side
   186,843x = 163,854,944,100
5. Step 5: Solve for x
   x = 163,854,944,100/186,843
6. Step 6: Final answer
   x = 876,965.92