Finding the Third Proportional to 11,061 and 16,821

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061 : 16,821 = 16,821 : x
2. Step 2: Convert to fraction form
   11,061/16,821 = 16,821/x
3. Step 3: Cross multiply
   11,061x = 16,821 × 16,821
4. Step 4: Simplify right side
   11,061x = 282,946,041
5. Step 5: Solve for x
   x = 282,946,041/11,061
6. Step 6: Final answer
   x = 25,580.51