Finding the Third Proportional to 7,179.56 and 10,490.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,179.56 : 10,490.81 = 10,490.81 : x
2. Step 2: Convert to fraction form
   7,179.56/10,490.81 = 10,490.81/x
3. Step 3: Cross multiply
   7,179.56x = 10,490.81 × 10,490.81
4. Step 4: Simplify right side
   7,179.56x = 110,057,146.91
5. Step 5: Solve for x
   x = 110,057,146.91/7,179.56
6. Step 6: Final answer
   x = 15,329.23