Finding the Third Proportional to 8,632 and 13,208

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632 : 13,208 = 13,208 : x
2. Step 2: Convert to fraction form
   8,632/13,208 = 13,208/x
3. Step 3: Cross multiply
   8,632x = 13,208 × 13,208
4. Step 4: Simplify right side
   8,632x = 174,451,264
5. Step 5: Solve for x
   x = 174,451,264/8,632
6. Step 6: Final answer
   x = 20,209.83