Finding the Third Proportional to 27,180 and 55,128.38

Step by Step Solution

1. Step 1: Write the proportion equation
   27,180 : 55,128.38 = 55,128.38 : x
2. Step 2: Convert to fraction form
   27,180/55,128.38 = 55,128.38/x
3. Step 3: Cross multiply
   27,180x = 55,128.38 × 55,128.38
4. Step 4: Simplify right side
   27,180x = 3,039,137,730.14
5. Step 5: Solve for x
   x = 3,039,137,730.14/27,180
6. Step 6: Final answer
   x = 111,815.22