Finding the Third Proportional to 8,216.81 and 17,997

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216.81 : 17,997 = 17,997 : x
2. Step 2: Convert to fraction form
   8,216.81/17,997 = 17,997/x
3. Step 3: Cross multiply
   8,216.81x = 17,997 × 17,997
4. Step 4: Simplify right side
   8,216.81x = 323,892,009
5. Step 5: Solve for x
   x = 323,892,009/8,216.81
6. Step 6: Final answer
   x = 39,418.21