Finding the Third Proportional to 11,939.91 and 18,060.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939.91 : 18,060.47 = 18,060.47 : x
2. Step 2: Convert to fraction form
   11,939.91/18,060.47 = 18,060.47/x
3. Step 3: Cross multiply
   11,939.91x = 18,060.47 × 18,060.47
4. Step 4: Simplify right side
   11,939.91x = 326,180,531.47
5. Step 5: Solve for x
   x = 326,180,531.47/11,939.91
6. Step 6: Final answer
   x = 27,318.52