Finding the Third Proportional to 3,913.31 and 8,550.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913.31 : 8,550.56 = 8,550.56 : x
2. Step 2: Convert to fraction form
   3,913.31/8,550.56 = 8,550.56/x
3. Step 3: Cross multiply
   3,913.31x = 8,550.56 × 8,550.56
4. Step 4: Simplify right side
   3,913.31x = 73,112,119.07
5. Step 5: Solve for x
   x = 73,112,119.07/3,913.31
6. Step 6: Final answer
   x = 18,682.92