Finding the Third Proportional to 7,860.38 and 16,945.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,860.38 : 16,945.31 = 16,945.31 : x
2. Step 2: Convert to fraction form
   7,860.38/16,945.31 = 16,945.31/x
3. Step 3: Cross multiply
   7,860.38x = 16,945.31 × 16,945.31
4. Step 4: Simplify right side
   7,860.38x = 287,143,615.72
5. Step 5: Solve for x
   x = 287,143,615.72/7,860.38
6. Step 6: Final answer
   x = 36,530.52