Finding the Third Proportional to 172,046.50 and 404,839

Step by Step Solution

1. Step 1: Write the proportion equation
   172,046.50 : 404,839 = 404,839 : x
2. Step 2: Convert to fraction form
   172,046.50/404,839 = 404,839/x
3. Step 3: Cross multiply
   172,046.50x = 404,839 × 404,839
4. Step 4: Simplify right side
   172,046.50x = 163,894,615,921
5. Step 5: Solve for x
   x = 163,894,615,921/172,046.50
6. Step 6: Final answer
   x = 952,618.13