Finding the Third Proportional to 80,840 and 123,568

Step by Step Solution

1. Step 1: Write the proportion equation
   80,840 : 123,568 = 123,568 : x
2. Step 2: Convert to fraction form
   80,840/123,568 = 123,568/x
3. Step 3: Cross multiply
   80,840x = 123,568 × 123,568
4. Step 4: Simplify right side
   80,840x = 15,269,050,624
5. Step 5: Solve for x
   x = 15,269,050,624/80,840
6. Step 6: Final answer
   x = 188,879.89