Finding the Third Proportional to 3,612.09 and 7,760.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.09 : 7,760.81 = 7,760.81 : x
2. Step 2: Convert to fraction form
   3,612.09/7,760.81 = 7,760.81/x
3. Step 3: Cross multiply
   3,612.09x = 7,760.81 × 7,760.81
4. Step 4: Simplify right side
   3,612.09x = 60,230,210.66
5. Step 5: Solve for x
   x = 60,230,210.66/3,612.09
6. Step 6: Final answer
   x = 16,674.60