Finding the Third Proportional to 8,356.50 and 12,933

Step by Step Solution

1. Step 1: Write the proportion equation
   8,356.50 : 12,933 = 12,933 : x
2. Step 2: Convert to fraction form
   8,356.50/12,933 = 12,933/x
3. Step 3: Cross multiply
   8,356.50x = 12,933 × 12,933
4. Step 4: Simplify right side
   8,356.50x = 167,262,489
5. Step 5: Solve for x
   x = 167,262,489/8,356.50
6. Step 6: Final answer
   x = 20,015.85