Finding the Third Proportional to 13,661 and 20,030

Step by Step Solution

1. Step 1: Write the proportion equation
   13,661 : 20,030 = 20,030 : x
2. Step 2: Convert to fraction form
   13,661/20,030 = 20,030/x
3. Step 3: Cross multiply
   13,661x = 20,030 × 20,030
4. Step 4: Simplify right side
   13,661x = 401,200,900
5. Step 5: Solve for x
   x = 401,200,900/13,661
6. Step 6: Final answer
   x = 29,368.34