Finding the Third Proportional to 3,308.55 and 7,072.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308.55 : 7,072.52 = 7,072.52 : x
2. Step 2: Convert to fraction form
   3,308.55/7,072.52 = 7,072.52/x
3. Step 3: Cross multiply
   3,308.55x = 7,072.52 × 7,072.52
4. Step 4: Simplify right side
   3,308.55x = 50,020,587.77
5. Step 5: Solve for x
   x = 50,020,587.77/3,308.55
6. Step 6: Final answer
   x = 15,118.56