Finding the Third Proportional to 172,055 and 404,807

Step by Step Solution

1. Step 1: Write the proportion equation
   172,055 : 404,807 = 404,807 : x
2. Step 2: Convert to fraction form
   172,055/404,807 = 404,807/x
3. Step 3: Cross multiply
   172,055x = 404,807 × 404,807
4. Step 4: Simplify right side
   172,055x = 163,868,707,249
5. Step 5: Solve for x
   x = 163,868,707,249/172,055
6. Step 6: Final answer
   x = 952,420.49