Finding the Third Proportional to 13,012 and 20,180

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012 : 20,180 = 20,180 : x
2. Step 2: Convert to fraction form
   13,012/20,180 = 20,180/x
3. Step 3: Cross multiply
   13,012x = 20,180 × 20,180
4. Step 4: Simplify right side
   13,012x = 407,232,400
5. Step 5: Solve for x
   x = 407,232,400/13,012
6. Step 6: Final answer
   x = 31,296.68