Finding the Third Proportional to 187,544 and 404,680

Step by Step Solution

1. Step 1: Write the proportion equation
   187,544 : 404,680 = 404,680 : x
2. Step 2: Convert to fraction form
   187,544/404,680 = 404,680/x
3. Step 3: Cross multiply
   187,544x = 404,680 × 404,680
4. Step 4: Simplify right side
   187,544x = 163,765,902,400
5. Step 5: Solve for x
   x = 163,765,902,400/187,544
6. Step 6: Final answer
   x = 873,213.23