Finding the Third Proportional to 123,328 and 270,900

Step by Step Solution

1. Step 1: Write the proportion equation
   123,328 : 270,900 = 270,900 : x
2. Step 2: Convert to fraction form
   123,328/270,900 = 270,900/x
3. Step 3: Cross multiply
   123,328x = 270,900 × 270,900
4. Step 4: Simplify right side
   123,328x = 73,386,810,000
5. Step 5: Solve for x
   x = 73,386,810,000/123,328
6. Step 6: Final answer
   x = 595,053.92