Finding the Third Proportional to 3,785.70 and 7,760.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785.70 : 7,760.29 = 7,760.29 : x
2. Step 2: Convert to fraction form
   3,785.70/7,760.29 = 7,760.29/x
3. Step 3: Cross multiply
   3,785.70x = 7,760.29 × 7,760.29
4. Step 4: Simplify right side
   3,785.70x = 60,222,025.71
5. Step 5: Solve for x
   x = 60,222,025.71/3,785.70
6. Step 6: Final answer
   x = 15,907.78