Finding the Third Proportional to 9,556 and 20,711

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556 : 20,711 = 20,711 : x
2. Step 2: Convert to fraction form
   9,556/20,711 = 20,711/x
3. Step 3: Cross multiply
   9,556x = 20,711 × 20,711
4. Step 4: Simplify right side
   9,556x = 428,945,521
5. Step 5: Solve for x
   x = 428,945,521/9,556
6. Step 6: Final answer
   x = 44,887.56