Finding the Third Proportional to 187,540 and 404,404

Step by Step Solution

1. Step 1: Write the proportion equation
   187,540 : 404,404 = 404,404 : x
2. Step 2: Convert to fraction form
   187,540/404,404 = 404,404/x
3. Step 3: Cross multiply
   187,540x = 404,404 × 404,404
4. Step 4: Simplify right side
   187,540x = 163,542,595,216
5. Step 5: Solve for x
   x = 163,542,595,216/187,540
6. Step 6: Final answer
   x = 872,041.14