Finding the Third Proportional to 8,304 and 13,210

Step by Step Solution

1. Step 1: Write the proportion equation
   8,304 : 13,210 = 13,210 : x
2. Step 2: Convert to fraction form
   8,304/13,210 = 13,210/x
3. Step 3: Cross multiply
   8,304x = 13,210 × 13,210
4. Step 4: Simplify right side
   8,304x = 174,504,100
5. Step 5: Solve for x
   x = 174,504,100/8,304
6. Step 6: Final answer
   x = 21,014.46