Finding the Third Proportional to 171,708 and 262,667

Step by Step Solution

1. Step 1: Write the proportion equation
   171,708 : 262,667 = 262,667 : x
2. Step 2: Convert to fraction form
   171,708/262,667 = 262,667/x
3. Step 3: Cross multiply
   171,708x = 262,667 × 262,667
4. Step 4: Simplify right side
   171,708x = 68,993,952,889
5. Step 5: Solve for x
   x = 68,993,952,889/171,708
6. Step 6: Final answer
   x = 401,809.78