Finding the Third Proportional to 14,247.56 and 16,404.19

Step by Step Solution

1. Step 1: Write the proportion equation
   14,247.56 : 16,404.19 = 16,404.19 : x
2. Step 2: Convert to fraction form
   14,247.56/16,404.19 = 16,404.19/x
3. Step 3: Cross multiply
   14,247.56x = 16,404.19 × 16,404.19
4. Step 4: Simplify right side
   14,247.56x = 269,097,367.54
5. Step 5: Solve for x
   x = 269,097,367.54/14,247.56
6. Step 6: Final answer
   x = 18,887.26