Finding the Third Proportional to 8,363 and 12,956

Step by Step Solution

1. Step 1: Write the proportion equation
   8,363 : 12,956 = 12,956 : x
2. Step 2: Convert to fraction form
   8,363/12,956 = 12,956/x
3. Step 3: Cross multiply
   8,363x = 12,956 × 12,956
4. Step 4: Simplify right side
   8,363x = 167,857,936
5. Step 5: Solve for x
   x = 167,857,936/8,363
6. Step 6: Final answer
   x = 20,071.50