Finding the Third Proportional to 171,993.38 and 404,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,993.38 : 404,689.50 = 404,689.50 : x
2. Step 2: Convert to fraction form
   171,993.38/404,689.50 = 404,689.50/x
3. Step 3: Cross multiply
   171,993.38x = 404,689.50 × 404,689.50
4. Step 4: Simplify right side
   171,993.38x = 163,773,591,410.25
5. Step 5: Solve for x
   x = 163,773,591,410.25/171,993.38
6. Step 6: Final answer
   x = 952,208.72