Finding the Third Proportional to 80,230 and 123,330

Step by Step Solution

1. Step 1: Write the proportion equation
   80,230 : 123,330 = 123,330 : x
2. Step 2: Convert to fraction form
   80,230/123,330 = 123,330/x
3. Step 3: Cross multiply
   80,230x = 123,330 × 123,330
4. Step 4: Simplify right side
   80,230x = 15,210,288,900
5. Step 5: Solve for x
   x = 15,210,288,900/80,230
6. Step 6: Final answer
   x = 189,583.56