Finding the Third Proportional to 151,272 and 200,664

Step by Step Solution

1. Step 1: Write the proportion equation
   151,272 : 200,664 = 200,664 : x
2. Step 2: Convert to fraction form
   151,272/200,664 = 200,664/x
3. Step 3: Cross multiply
   151,272x = 200,664 × 200,664
4. Step 4: Simplify right side
   151,272x = 40,266,040,896
5. Step 5: Solve for x
   x = 40,266,040,896/151,272
6. Step 6: Final answer
   x = 266,183.04