Finding the Third Proportional to 9,147.94 and 13,719.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.94 : 13,719.38 = 13,719.38 : x
2. Step 2: Convert to fraction form
   9,147.94/13,719.38 = 13,719.38/x
3. Step 3: Cross multiply
   9,147.94x = 13,719.38 × 13,719.38
4. Step 4: Simplify right side
   9,147.94x = 188,221,250.39
5. Step 5: Solve for x
   x = 188,221,250.39/9,147.94
6. Step 6: Final answer
   x = 20,575.27