Finding the Third Proportional to 14,716.69 and 20,191.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,716.69 : 20,191.78 = 20,191.78 : x
2. Step 2: Convert to fraction form
   14,716.69/20,191.78 = 20,191.78/x
3. Step 3: Cross multiply
   14,716.69x = 20,191.78 × 20,191.78
4. Step 4: Simplify right side
   14,716.69x = 407,708,030.05
5. Step 5: Solve for x
   x = 407,708,030.05/14,716.69
6. Step 6: Final answer
   x = 27,703.79