Finding the Third Proportional to 131,480 and 200,496

Step by Step Solution

1. Step 1: Write the proportion equation
   131,480 : 200,496 = 200,496 : x
2. Step 2: Convert to fraction form
   131,480/200,496 = 200,496/x
3. Step 3: Cross multiply
   131,480x = 200,496 × 200,496
4. Step 4: Simplify right side
   131,480x = 40,198,646,016
5. Step 5: Solve for x
   x = 40,198,646,016/131,480
6. Step 6: Final answer
   x = 305,739.63