Finding the Third Proportional to 7,164.39 and 16,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,164.39 : 16,857.50 = 16,857.50 : x
2. Step 2: Convert to fraction form
   7,164.39/16,857.50 = 16,857.50/x
3. Step 3: Cross multiply
   7,164.39x = 16,857.50 × 16,857.50
4. Step 4: Simplify right side
   7,164.39x = 284,175,339.17
5. Step 5: Solve for x
   x = 284,175,339.17/7,164.39
6. Step 6: Final answer
   x = 39,664.99