Finding the Third Proportional to 187,464 and 404,872

Step by Step Solution

1. Step 1: Write the proportion equation
   187,464 : 404,872 = 404,872 : x
2. Step 2: Convert to fraction form
   187,464/404,872 = 404,872/x
3. Step 3: Cross multiply
   187,464x = 404,872 × 404,872
4. Step 4: Simplify right side
   187,464x = 163,921,336,384
5. Step 5: Solve for x
   x = 163,921,336,384/187,464
6. Step 6: Final answer
   x = 874,415.02