Finding the Third Proportional to 145,786 and 238,055

Step by Step Solution

1. Step 1: Write the proportion equation
   145,786 : 238,055 = 238,055 : x
2. Step 2: Convert to fraction form
   145,786/238,055 = 238,055/x
3. Step 3: Cross multiply
   145,786x = 238,055 × 238,055
4. Step 4: Simplify right side
   145,786x = 56,670,183,025
5. Step 5: Solve for x
   x = 56,670,183,025/145,786
6. Step 6: Final answer
   x = 388,721.71