Finding the Third Proportional to 187,632 and 404,856

Step by Step Solution

1. Step 1: Write the proportion equation
   187,632 : 404,856 = 404,856 : x
2. Step 2: Convert to fraction form
   187,632/404,856 = 404,856/x
3. Step 3: Cross multiply
   187,632x = 404,856 × 404,856
4. Step 4: Simplify right side
   187,632x = 163,908,380,736
5. Step 5: Solve for x
   x = 163,908,380,736/187,632
6. Step 6: Final answer
   x = 873,563.04