Finding the Third Proportional to 59,904 and 128,556

Step by Step Solution

1. Step 1: Write the proportion equation
   59,904 : 128,556 = 128,556 : x
2. Step 2: Convert to fraction form
   59,904/128,556 = 128,556/x
3. Step 3: Cross multiply
   59,904x = 128,556 × 128,556
4. Step 4: Simplify right side
   59,904x = 16,526,645,136
5. Step 5: Solve for x
   x = 16,526,645,136/59,904
6. Step 6: Final answer
   x = 275,885.50