Finding the Third Proportional to 123,988 and 159,198

Step by Step Solution

1. Step 1: Write the proportion equation
   123,988 : 159,198 = 159,198 : x
2. Step 2: Convert to fraction form
   123,988/159,198 = 159,198/x
3. Step 3: Cross multiply
   123,988x = 159,198 × 159,198
4. Step 4: Simplify right side
   123,988x = 25,344,003,204
5. Step 5: Solve for x
   x = 25,344,003,204/123,988
6. Step 6: Final answer
   x = 204,406.90