Finding the Third Proportional to 2,660 and 3,556

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660 : 3,556 = 3,556 : x
2. Step 2: Convert to fraction form
   2,660/3,556 = 3,556/x
3. Step 3: Cross multiply
   2,660x = 3,556 × 3,556
4. Step 4: Simplify right side
   2,660x = 12,645,136
5. Step 5: Solve for x
   x = 12,645,136/2,660
6. Step 6: Final answer
   x = 4,753.81