Finding the Third Proportional to 7,144.31 and 15,672.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,144.31 : 15,672.38 = 15,672.38 : x
2. Step 2: Convert to fraction form
   7,144.31/15,672.38 = 15,672.38/x
3. Step 3: Cross multiply
   7,144.31x = 15,672.38 × 15,672.38
4. Step 4: Simplify right side
   7,144.31x = 245,623,338.14
5. Step 5: Solve for x
   x = 245,623,338.14/7,144.31
6. Step 6: Final answer
   x = 34,380.26