Finding the Third Proportional to 6,115.50 and 13,119.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,115.50 : 13,119.38 = 13,119.38 : x
2. Step 2: Convert to fraction form
   6,115.50/13,119.38 = 13,119.38/x
3. Step 3: Cross multiply
   6,115.50x = 13,119.38 × 13,119.38
4. Step 4: Simplify right side
   6,115.50x = 172,118,000.39
5. Step 5: Solve for x
   x = 172,118,000.39/6,115.50
6. Step 6: Final answer
   x = 28,144.55