Finding the Third Proportional to 6,229.50 and 13,620

Step by Step Solution

1. Step 1: Write the proportion equation
   6,229.50 : 13,620 = 13,620 : x
2. Step 2: Convert to fraction form
   6,229.50/13,620 = 13,620/x
3. Step 3: Cross multiply
   6,229.50x = 13,620 × 13,620
4. Step 4: Simplify right side
   6,229.50x = 185,504,400
5. Step 5: Solve for x
   x = 185,504,400/6,229.50
6. Step 6: Final answer
   x = 29,778.38