Finding the Third Proportional to 17,912 and 20,504

Step by Step Solution

1. Step 1: Write the proportion equation
   17,912 : 20,504 = 20,504 : x
2. Step 2: Convert to fraction form
   17,912/20,504 = 20,504/x
3. Step 3: Cross multiply
   17,912x = 20,504 × 20,504
4. Step 4: Simplify right side
   17,912x = 420,414,016
5. Step 5: Solve for x
   x = 420,414,016/17,912
6. Step 6: Final answer
   x = 23,471.08