Finding the Third Proportional to 59,404 and 128,504

Step by Step Solution

1. Step 1: Write the proportion equation
   59,404 : 128,504 = 128,504 : x
2. Step 2: Convert to fraction form
   59,404/128,504 = 128,504/x
3. Step 3: Cross multiply
   59,404x = 128,504 × 128,504
4. Step 4: Simplify right side
   59,404x = 16,513,278,016
5. Step 5: Solve for x
   x = 16,513,278,016/59,404
6. Step 6: Final answer
   x = 277,982.59