Finding the Third Proportional to 11,699.44 and 17,983.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,699.44 : 17,983.69 = 17,983.69 : x
2. Step 2: Convert to fraction form
   11,699.44/17,983.69 = 17,983.69/x
3. Step 3: Cross multiply
   11,699.44x = 17,983.69 × 17,983.69
4. Step 4: Simplify right side
   11,699.44x = 323,413,016.10
5. Step 5: Solve for x
   x = 323,413,016.10/11,699.44
6. Step 6: Final answer
   x = 27,643.47