Finding the Third Proportional to 89,966 and 134,459

Step by Step Solution

1. Step 1: Write the proportion equation
   89,966 : 134,459 = 134,459 : x
2. Step 2: Convert to fraction form
   89,966/134,459 = 134,459/x
3. Step 3: Cross multiply
   89,966x = 134,459 × 134,459
4. Step 4: Simplify right side
   89,966x = 18,079,222,681
5. Step 5: Solve for x
   x = 18,079,222,681/89,966
6. Step 6: Final answer
   x = 200,956.17