Finding the Third Proportional to 172,038 and 404,770

Step by Step Solution

1. Step 1: Write the proportion equation
   172,038 : 404,770 = 404,770 : x
2. Step 2: Convert to fraction form
   172,038/404,770 = 404,770/x
3. Step 3: Cross multiply
   172,038x = 404,770 × 404,770
4. Step 4: Simplify right side
   172,038x = 163,838,752,900
5. Step 5: Solve for x
   x = 163,838,752,900/172,038
6. Step 6: Final answer
   x = 952,340.49