Finding the Third Proportional to 11,147.63 and 14,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,147.63 : 14,868.56 = 14,868.56 : x
2. Step 2: Convert to fraction form
   11,147.63/14,868.56 = 14,868.56/x
3. Step 3: Cross multiply
   11,147.63x = 14,868.56 × 14,868.56
4. Step 4: Simplify right side
   11,147.63x = 221,074,150.82
5. Step 5: Solve for x
   x = 221,074,150.82/11,147.63
6. Step 6: Final answer
   x = 19,831.50