Finding the Third Proportional to 8,219.34 and 17,976.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,219.34 : 17,976.28 = 17,976.28 : x
2. Step 2: Convert to fraction form
   8,219.34/17,976.28 = 17,976.28/x
3. Step 3: Cross multiply
   8,219.34x = 17,976.28 × 17,976.28
4. Step 4: Simplify right side
   8,219.34x = 323,146,687.58
5. Step 5: Solve for x
   x = 323,146,687.58/8,219.34
6. Step 6: Final answer
   x = 39,315.39