Finding the Third Proportional to 13,230 and 18,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,230 : 18,022.50 = 18,022.50 : x
2. Step 2: Convert to fraction form
   13,230/18,022.50 = 18,022.50/x
3. Step 3: Cross multiply
   13,230x = 18,022.50 × 18,022.50
4. Step 4: Simplify right side
   13,230x = 324,810,506.25
5. Step 5: Solve for x
   x = 324,810,506.25/13,230
6. Step 6: Final answer
   x = 24,551.06