Finding the Third Proportional to 72,231.75 and 169,067.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,231.75 : 169,067.25 = 169,067.25 : x
2. Step 2: Convert to fraction form
   72,231.75/169,067.25 = 169,067.25/x
3. Step 3: Cross multiply
   72,231.75x = 169,067.25 × 169,067.25
4. Step 4: Simplify right side
   72,231.75x = 28,583,735,022.56
5. Step 5: Solve for x
   x = 28,583,735,022.56/72,231.75
6. Step 6: Final answer
   x = 395,722.59