Finding the Third Proportional to 8,399.25 and 17,607.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399.25 : 17,607.38 = 17,607.38 : x
2. Step 2: Convert to fraction form
   8,399.25/17,607.38 = 17,607.38/x
3. Step 3: Cross multiply
   8,399.25x = 17,607.38 × 17,607.38
4. Step 4: Simplify right side
   8,399.25x = 310,019,654.39
5. Step 5: Solve for x
   x = 310,019,654.39/8,399.25
6. Step 6: Final answer
   x = 36,910.40