Finding the Third Proportional to 12,066 and 18,780

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066 : 18,780 = 18,780 : x
2. Step 2: Convert to fraction form
   12,066/18,780 = 18,780/x
3. Step 3: Cross multiply
   12,066x = 18,780 × 18,780
4. Step 4: Simplify right side
   12,066x = 352,688,400
5. Step 5: Solve for x
   x = 352,688,400/12,066
6. Step 6: Final answer
   x = 29,229.94