Finding the Third Proportional to 13,662 and 20,007

Step by Step Solution

1. Step 1: Write the proportion equation
   13,662 : 20,007 = 20,007 : x
2. Step 2: Convert to fraction form
   13,662/20,007 = 20,007/x
3. Step 3: Cross multiply
   13,662x = 20,007 × 20,007
4. Step 4: Simplify right side
   13,662x = 400,280,049
5. Step 5: Solve for x
   x = 400,280,049/13,662
6. Step 6: Final answer
   x = 29,298.79