Finding the Third Proportional to 5,217.75 and 12,330.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,217.75 : 12,330.56 = 12,330.56 : x
2. Step 2: Convert to fraction form
   5,217.75/12,330.56 = 12,330.56/x
3. Step 3: Cross multiply
   5,217.75x = 12,330.56 × 12,330.56
4. Step 4: Simplify right side
   5,217.75x = 152,042,771.57
5. Step 5: Solve for x
   x = 152,042,771.57/5,217.75
6. Step 6: Final answer
   x = 29,139.53