Finding the Third Proportional to 169,714 and 335,144

Step by Step Solution

1. Step 1: Write the proportion equation
   169,714 : 335,144 = 335,144 : x
2. Step 2: Convert to fraction form
   169,714/335,144 = 335,144/x
3. Step 3: Cross multiply
   169,714x = 335,144 × 335,144
4. Step 4: Simplify right side
   169,714x = 112,321,500,736
5. Step 5: Solve for x
   x = 112,321,500,736/169,714
6. Step 6: Final answer
   x = 661,828.14