Finding the Third Proportional to 5,986.13 and 12,729.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,986.13 : 12,729.38 = 12,729.38 : x
2. Step 2: Convert to fraction form
   5,986.13/12,729.38 = 12,729.38/x
3. Step 3: Cross multiply
   5,986.13x = 12,729.38 × 12,729.38
4. Step 4: Simplify right side
   5,986.13x = 162,036,987.89
5. Step 5: Solve for x
   x = 162,036,987.89/5,986.13
6. Step 6: Final answer
   x = 27,068.76