Finding the Third Proportional to 187,290 and 404,514

Step by Step Solution

1. Step 1: Write the proportion equation
   187,290 : 404,514 = 404,514 : x
2. Step 2: Convert to fraction form
   187,290/404,514 = 404,514/x
3. Step 3: Cross multiply
   187,290x = 404,514 × 404,514
4. Step 4: Simplify right side
   187,290x = 163,631,576,196
5. Step 5: Solve for x
   x = 163,631,576,196/187,290
6. Step 6: Final answer
   x = 873,680.26