Finding the Third Proportional to 17,217.56 and 36,505.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,217.56 : 36,505.69 = 36,505.69 : x
2. Step 2: Convert to fraction form
   17,217.56/36,505.69 = 36,505.69/x
3. Step 3: Cross multiply
   17,217.56x = 36,505.69 × 36,505.69
4. Step 4: Simplify right side
   17,217.56x = 1,332,665,219.85
5. Step 5: Solve for x
   x = 1,332,665,219.85/17,217.56
6. Step 6: Final answer
   x = 77,401.50