Finding the Third Proportional to 11,289 and 14,983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,289 : 14,983.50 = 14,983.50 : x
2. Step 2: Convert to fraction form
   11,289/14,983.50 = 14,983.50/x
3. Step 3: Cross multiply
   11,289x = 14,983.50 × 14,983.50
4. Step 4: Simplify right side
   11,289x = 224,505,272.25
5. Step 5: Solve for x
   x = 224,505,272.25/11,289
6. Step 6: Final answer
   x = 19,887.08