Finding the Third Proportional to 8,321 and 12,983

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321 : 12,983 = 12,983 : x
2. Step 2: Convert to fraction form
   8,321/12,983 = 12,983/x
3. Step 3: Cross multiply
   8,321x = 12,983 × 12,983
4. Step 4: Simplify right side
   8,321x = 168,558,289
5. Step 5: Solve for x
   x = 168,558,289/8,321
6. Step 6: Final answer
   x = 20,256.98