Finding the Third Proportional to 89,988 and 134,238

Step by Step Solution

1. Step 1: Write the proportion equation
   89,988 : 134,238 = 134,238 : x
2. Step 2: Convert to fraction form
   89,988/134,238 = 134,238/x
3. Step 3: Cross multiply
   89,988x = 134,238 × 134,238
4. Step 4: Simplify right side
   89,988x = 18,019,840,644
5. Step 5: Solve for x
   x = 18,019,840,644/89,988
6. Step 6: Final answer
   x = 200,247.15