Finding the Third Proportional to 185,348 and 404,686

Step by Step Solution

1. Step 1: Write the proportion equation
   185,348 : 404,686 = 404,686 : x
2. Step 2: Convert to fraction form
   185,348/404,686 = 404,686/x
3. Step 3: Cross multiply
   185,348x = 404,686 × 404,686
4. Step 4: Simplify right side
   185,348x = 163,770,758,596
5. Step 5: Solve for x
   x = 163,770,758,596/185,348
6. Step 6: Final answer
   x = 883,585.25