Finding the Third Proportional to 172,082 and 404,866

Step by Step Solution

1. Step 1: Write the proportion equation
   172,082 : 404,866 = 404,866 : x
2. Step 2: Convert to fraction form
   172,082/404,866 = 404,866/x
3. Step 3: Cross multiply
   172,082x = 404,866 × 404,866
4. Step 4: Simplify right side
   172,082x = 163,916,477,956
5. Step 5: Solve for x
   x = 163,916,477,956/172,082
6. Step 6: Final answer
   x = 952,548.66