Finding the Third Proportional to 7,166.81 and 10,872.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,166.81 : 10,872.56 = 10,872.56 : x
2. Step 2: Convert to fraction form
   7,166.81/10,872.56 = 10,872.56/x
3. Step 3: Cross multiply
   7,166.81x = 10,872.56 × 10,872.56
4. Step 4: Simplify right side
   7,166.81x = 118,212,615.32
5. Step 5: Solve for x
   x = 118,212,615.32/7,166.81
6. Step 6: Final answer
   x = 16,494.45