Finding the Third Proportional to 17,556 and 20,100

Step by Step Solution

1. Step 1: Write the proportion equation
   17,556 : 20,100 = 20,100 : x
2. Step 2: Convert to fraction form
   17,556/20,100 = 20,100/x
3. Step 3: Cross multiply
   17,556x = 20,100 × 20,100
4. Step 4: Simplify right side
   17,556x = 404,010,000
5. Step 5: Solve for x
   x = 404,010,000/17,556
6. Step 6: Final answer
   x = 23,012.65