Finding the Third Proportional to 59,456 and 129,604

Step by Step Solution

1. Step 1: Write the proportion equation
   59,456 : 129,604 = 129,604 : x
2. Step 2: Convert to fraction form
   59,456/129,604 = 129,604/x
3. Step 3: Cross multiply
   59,456x = 129,604 × 129,604
4. Step 4: Simplify right side
   59,456x = 16,797,196,816
5. Step 5: Solve for x
   x = 16,797,196,816/59,456
6. Step 6: Final answer
   x = 282,514.75