Finding the Third Proportional to 8,616 and 13,196

Step by Step Solution

1. Step 1: Write the proportion equation
   8,616 : 13,196 = 13,196 : x
2. Step 2: Convert to fraction form
   8,616/13,196 = 13,196/x
3. Step 3: Cross multiply
   8,616x = 13,196 × 13,196
4. Step 4: Simplify right side
   8,616x = 174,134,416
5. Step 5: Solve for x
   x = 174,134,416/8,616
6. Step 6: Final answer
   x = 20,210.59