Finding the Third Proportional to 231,618 and 367,055

Step by Step Solution

1. Step 1: Write the proportion equation
   231,618 : 367,055 = 367,055 : x
2. Step 2: Convert to fraction form
   231,618/367,055 = 367,055/x
3. Step 3: Cross multiply
   231,618x = 367,055 × 367,055
4. Step 4: Simplify right side
   231,618x = 134,729,373,025
5. Step 5: Solve for x
   x = 134,729,373,025/231,618
6. Step 6: Final answer
   x = 581,687.84