Finding the Third Proportional to 8,591.50 and 18,308

Step by Step Solution

1. Step 1: Write the proportion equation
   8,591.50 : 18,308 = 18,308 : x
2. Step 2: Convert to fraction form
   8,591.50/18,308 = 18,308/x
3. Step 3: Cross multiply
   8,591.50x = 18,308 × 18,308
4. Step 4: Simplify right side
   8,591.50x = 335,182,864
5. Step 5: Solve for x
   x = 335,182,864/8,591.50
6. Step 6: Final answer
   x = 39,013.31