Finding the Third Proportional to 11,719.69 and 14,845.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.69 : 14,845.78 = 14,845.78 : x
2. Step 2: Convert to fraction form
   11,719.69/14,845.78 = 14,845.78/x
3. Step 3: Cross multiply
   11,719.69x = 14,845.78 × 14,845.78
4. Step 4: Simplify right side
   11,719.69x = 220,397,220.92
5. Step 5: Solve for x
   x = 220,397,220.92/11,719.69
6. Step 6: Final answer
   x = 18,805.73