Finding the Third Proportional to 3,601.13 and 7,777.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.13 : 7,777.69 = 7,777.69 : x
2. Step 2: Convert to fraction form
   3,601.13/7,777.69 = 7,777.69/x
3. Step 3: Cross multiply
   3,601.13x = 7,777.69 × 7,777.69
4. Step 4: Simplify right side
   3,601.13x = 60,492,422.85
5. Step 5: Solve for x
   x = 60,492,422.85/3,601.13
6. Step 6: Final answer
   x = 16,798.20