Finding the Third Proportional to 5,072 and 10,504

Step by Step Solution

1. Step 1: Write the proportion equation
   5,072 : 10,504 = 10,504 : x
2. Step 2: Convert to fraction form
   5,072/10,504 = 10,504/x
3. Step 3: Cross multiply
   5,072x = 10,504 × 10,504
4. Step 4: Simplify right side
   5,072x = 110,334,016
5. Step 5: Solve for x
   x = 110,334,016/5,072
6. Step 6: Final answer
   x = 21,753.55