Finding the Third Proportional to 8,416.50 and 17,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,416.50 : 17,857.50 = 17,857.50 : x
2. Step 2: Convert to fraction form
   8,416.50/17,857.50 = 17,857.50/x
3. Step 3: Cross multiply
   8,416.50x = 17,857.50 × 17,857.50
4. Step 4: Simplify right side
   8,416.50x = 318,890,306.25
5. Step 5: Solve for x
   x = 318,890,306.25/8,416.50
6. Step 6: Final answer
   x = 37,888.71