Finding the Third Proportional to 187,454 and 404,842

Step by Step Solution

1. Step 1: Write the proportion equation
   187,454 : 404,842 = 404,842 : x
2. Step 2: Convert to fraction form
   187,454/404,842 = 404,842/x
3. Step 3: Cross multiply
   187,454x = 404,842 × 404,842
4. Step 4: Simplify right side
   187,454x = 163,897,044,964
5. Step 5: Solve for x
   x = 163,897,044,964/187,454
6. Step 6: Final answer
   x = 874,332.08