Finding the Third Proportional to 12,081 and 15,570

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081 : 15,570 = 15,570 : x
2. Step 2: Convert to fraction form
   12,081/15,570 = 15,570/x
3. Step 3: Cross multiply
   12,081x = 15,570 × 15,570
4. Step 4: Simplify right side
   12,081x = 242,424,900
5. Step 5: Solve for x
   x = 242,424,900/12,081
6. Step 6: Final answer
   x = 20,066.63