Finding the Third Proportional to 11,698.31 and 18,327.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,698.31 : 18,327.38 = 18,327.38 : x
2. Step 2: Convert to fraction form
   11,698.31/18,327.38 = 18,327.38/x
3. Step 3: Cross multiply
   11,698.31x = 18,327.38 × 18,327.38
4. Step 4: Simplify right side
   11,698.31x = 335,892,674.39
5. Step 5: Solve for x
   x = 335,892,674.39/11,698.31
6. Step 6: Final answer
   x = 28,712.92