Finding the Third Proportional to 3,639 and 7,797.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639 : 7,797.38 = 7,797.38 : x
2. Step 2: Convert to fraction form
   3,639/7,797.38 = 7,797.38/x
3. Step 3: Cross multiply
   3,639x = 7,797.38 × 7,797.38
4. Step 4: Simplify right side
   3,639x = 60,799,056.89
5. Step 5: Solve for x
   x = 60,799,056.89/3,639
6. Step 6: Final answer
   x = 16,707.63