Finding the Third Proportional to 187,568 and 404,460

Step by Step Solution

1. Step 1: Write the proportion equation
   187,568 : 404,460 = 404,460 : x
2. Step 2: Convert to fraction form
   187,568/404,460 = 404,460/x
3. Step 3: Cross multiply
   187,568x = 404,460 × 404,460
4. Step 4: Simplify right side
   187,568x = 163,587,891,600
5. Step 5: Solve for x
   x = 163,587,891,600/187,568
6. Step 6: Final answer
   x = 872,152.45