Finding the Third Proportional to 3,656.39 and 7,808.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.39 : 7,808.27 = 7,808.27 : x
2. Step 2: Convert to fraction form
   3,656.39/7,808.27 = 7,808.27/x
3. Step 3: Cross multiply
   3,656.39x = 7,808.27 × 7,808.27
4. Step 4: Simplify right side
   3,656.39x = 60,969,134.07
5. Step 5: Solve for x
   x = 60,969,134.07/3,656.39
6. Step 6: Final answer
   x = 16,674.68