Finding the Third Proportional to 3,057.75 and 4,715.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,057.75 : 4,715.72 = 4,715.72 : x
2. Step 2: Convert to fraction form
   3,057.75/4,715.72 = 4,715.72/x
3. Step 3: Cross multiply
   3,057.75x = 4,715.72 × 4,715.72
4. Step 4: Simplify right side
   3,057.75x = 22,238,003.33
5. Step 5: Solve for x
   x = 22,238,003.33/3,057.75
6. Step 6: Final answer
   x = 7,272.67