Finding the Third Proportional to 7,072.88 and 10,357.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,072.88 : 10,357.88 = 10,357.88 : x
2. Step 2: Convert to fraction form
   7,072.88/10,357.88 = 10,357.88/x
3. Step 3: Cross multiply
   7,072.88x = 10,357.88 × 10,357.88
4. Step 4: Simplify right side
   7,072.88x = 107,285,574.52
5. Step 5: Solve for x
   x = 107,285,574.52/7,072.88
6. Step 6: Final answer
   x = 15,168.59