Finding the Third Proportional to 8,378.52 and 17,972.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,378.52 : 17,972.27 = 17,972.27 : x
2. Step 2: Convert to fraction form
   8,378.52/17,972.27 = 17,972.27/x
3. Step 3: Cross multiply
   8,378.52x = 17,972.27 × 17,972.27
4. Step 4: Simplify right side
   8,378.52x = 323,002,507.21
5. Step 5: Solve for x
   x = 323,002,507.21/8,378.52
6. Step 6: Final answer
   x = 38,551.28