Finding the Third Proportional to 171,705 and 262,662

Step by Step Solution

1. Step 1: Write the proportion equation
   171,705 : 262,662 = 262,662 : x
2. Step 2: Convert to fraction form
   171,705/262,662 = 262,662/x
3. Step 3: Cross multiply
   171,705x = 262,662 × 262,662
4. Step 4: Simplify right side
   171,705x = 68,991,326,244
5. Step 5: Solve for x
   x = 68,991,326,244/171,705
6. Step 6: Final answer
   x = 401,801.50