Finding the Third Proportional to 3,581.53 and 7,692.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.53 : 7,692.09 = 7,692.09 : x
2. Step 2: Convert to fraction form
   3,581.53/7,692.09 = 7,692.09/x
3. Step 3: Cross multiply
   3,581.53x = 7,692.09 × 7,692.09
4. Step 4: Simplify right side
   3,581.53x = 59,168,306.26
5. Step 5: Solve for x
   x = 59,168,306.26/3,581.53
6. Step 6: Final answer
   x = 16,520.39