Finding the Third Proportional to 5,143.50 and 8,337.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.50 : 8,337.38 = 8,337.38 : x
2. Step 2: Convert to fraction form
   5,143.50/8,337.38 = 8,337.38/x
3. Step 3: Cross multiply
   5,143.50x = 8,337.38 × 8,337.38
4. Step 4: Simplify right side
   5,143.50x = 69,511,821.89
5. Step 5: Solve for x
   x = 69,511,821.89/5,143.50
6. Step 6: Final answer
   x = 13,514.50