Finding the Third Proportional to 3,520.69 and 7,542.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,520.69 : 7,542.56 = 7,542.56 : x
2. Step 2: Convert to fraction form
   3,520.69/7,542.56 = 7,542.56/x
3. Step 3: Cross multiply
   3,520.69x = 7,542.56 × 7,542.56
4. Step 4: Simplify right side
   3,520.69x = 56,890,249.07
5. Step 5: Solve for x
   x = 56,890,249.07/3,520.69
6. Step 6: Final answer
   x = 16,158.85