Finding the Third Proportional to 13,260 and 18,850.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,260 : 18,850.50 = 18,850.50 : x
2. Step 2: Convert to fraction form
   13,260/18,850.50 = 18,850.50/x
3. Step 3: Cross multiply
   13,260x = 18,850.50 × 18,850.50
4. Step 4: Simplify right side
   13,260x = 355,341,350.25
5. Step 5: Solve for x
   x = 355,341,350.25/13,260
6. Step 6: Final answer
   x = 26,797.99