Finding the Third Proportional to 11,350.69 and 14,987.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,350.69 : 14,987.81 = 14,987.81 : x
2. Step 2: Convert to fraction form
   11,350.69/14,987.81 = 14,987.81/x
3. Step 3: Cross multiply
   11,350.69x = 14,987.81 × 14,987.81
4. Step 4: Simplify right side
   11,350.69x = 224,634,523.54
5. Step 5: Solve for x
   x = 224,634,523.54/11,350.69
6. Step 6: Final answer
   x = 19,790.39