Finding the Third Proportional to 187,530 and 404,582

Step by Step Solution

1. Step 1: Write the proportion equation
   187,530 : 404,582 = 404,582 : x
2. Step 2: Convert to fraction form
   187,530/404,582 = 404,582/x
3. Step 3: Cross multiply
   187,530x = 404,582 × 404,582
4. Step 4: Simplify right side
   187,530x = 163,686,594,724
5. Step 5: Solve for x
   x = 163,686,594,724/187,530
6. Step 6: Final answer
   x = 872,855.51