Finding the Third Proportional to 86,680 and 133,049

Step by Step Solution

1. Step 1: Write the proportion equation
   86,680 : 133,049 = 133,049 : x
2. Step 2: Convert to fraction form
   86,680/133,049 = 133,049/x
3. Step 3: Cross multiply
   86,680x = 133,049 × 133,049
4. Step 4: Simplify right side
   86,680x = 17,702,036,401
5. Step 5: Solve for x
   x = 17,702,036,401/86,680
6. Step 6: Final answer
   x = 204,222.85