Finding the Third Proportional to 123,986 and 270,085

Step by Step Solution

1. Step 1: Write the proportion equation
   123,986 : 270,085 = 270,085 : x
2. Step 2: Convert to fraction form
   123,986/270,085 = 270,085/x
3. Step 3: Cross multiply
   123,986x = 270,085 × 270,085
4. Step 4: Simplify right side
   123,986x = 72,945,907,225
5. Step 5: Solve for x
   x = 72,945,907,225/123,986
6. Step 6: Final answer
   x = 588,339.87