Finding the Third Proportional to 72,357 and 150,255

Step by Step Solution

1. Step 1: Write the proportion equation
   72,357 : 150,255 = 150,255 : x
2. Step 2: Convert to fraction form
   72,357/150,255 = 150,255/x
3. Step 3: Cross multiply
   72,357x = 150,255 × 150,255
4. Step 4: Simplify right side
   72,357x = 22,576,565,025
5. Step 5: Solve for x
   x = 22,576,565,025/72,357
6. Step 6: Final answer
   x = 312,016.32