Finding the Third Proportional to 3,777.38 and 7,078.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.38 : 7,078.88 = 7,078.88 : x
2. Step 2: Convert to fraction form
   3,777.38/7,078.88 = 7,078.88/x
3. Step 3: Cross multiply
   3,777.38x = 7,078.88 × 7,078.88
4. Step 4: Simplify right side
   3,777.38x = 50,110,471.27
5. Step 5: Solve for x
   x = 50,110,471.27/3,777.38
6. Step 6: Final answer
   x = 13,265.95