Finding the Third Proportional to 187,521.75 and 404,568

Step by Step Solution

1. Step 1: Write the proportion equation
   187,521.75 : 404,568 = 404,568 : x
2. Step 2: Convert to fraction form
   187,521.75/404,568 = 404,568/x
3. Step 3: Cross multiply
   187,521.75x = 404,568 × 404,568
4. Step 4: Simplify right side
   187,521.75x = 163,675,266,624
5. Step 5: Solve for x
   x = 163,675,266,624/187,521.75
6. Step 6: Final answer
   x = 872,833.51