Finding the Third Proportional to 11,180 and 19,930

Step by Step Solution

1. Step 1: Write the proportion equation
   11,180 : 19,930 = 19,930 : x
2. Step 2: Convert to fraction form
   11,180/19,930 = 19,930/x
3. Step 3: Cross multiply
   11,180x = 19,930 × 19,930
4. Step 4: Simplify right side
   11,180x = 397,204,900
5. Step 5: Solve for x
   x = 397,204,900/11,180
6. Step 6: Final answer
   x = 35,528.17