Finding the Third Proportional to 8,321.06 and 17,811.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321.06 : 17,811.56 = 17,811.56 : x
2. Step 2: Convert to fraction form
   8,321.06/17,811.56 = 17,811.56/x
3. Step 3: Cross multiply
   8,321.06x = 17,811.56 × 17,811.56
4. Step 4: Simplify right side
   8,321.06x = 317,251,758.69
5. Step 5: Solve for x
   x = 317,251,758.69/8,321.06
6. Step 6: Final answer
   x = 38,126.35