Finding the Third Proportional to 8,535 and 13,360

Step by Step Solution

1. Step 1: Write the proportion equation
   8,535 : 13,360 = 13,360 : x
2. Step 2: Convert to fraction form
   8,535/13,360 = 13,360/x
3. Step 3: Cross multiply
   8,535x = 13,360 × 13,360
4. Step 4: Simplify right side
   8,535x = 178,489,600
5. Step 5: Solve for x
   x = 178,489,600/8,535
6. Step 6: Final answer
   x = 20,912.67