Finding the Third Proportional to 169,717 and 335,150

Step by Step Solution

1. Step 1: Write the proportion equation
   169,717 : 335,150 = 335,150 : x
2. Step 2: Convert to fraction form
   169,717/335,150 = 335,150/x
3. Step 3: Cross multiply
   169,717x = 335,150 × 335,150
4. Step 4: Simplify right side
   169,717x = 112,325,522,500
5. Step 5: Solve for x
   x = 112,325,522,500/169,717
6. Step 6: Final answer
   x = 661,840.14