Finding the Third Proportional to 3,198.87 and 7,693.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,198.87 : 7,693.42 = 7,693.42 : x
2. Step 2: Convert to fraction form
   3,198.87/7,693.42 = 7,693.42/x
3. Step 3: Cross multiply
   3,198.87x = 7,693.42 × 7,693.42
4. Step 4: Simplify right side
   3,198.87x = 59,188,680.04
5. Step 5: Solve for x
   x = 59,188,680.04/3,198.87
6. Step 6: Final answer
   x = 18,503.01