Finding the Third Proportional to 4,158.53 and 8,976.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,158.53 : 8,976.76 = 8,976.76 : x
2. Step 2: Convert to fraction form
   4,158.53/8,976.76 = 8,976.76/x
3. Step 3: Cross multiply
   4,158.53x = 8,976.76 × 8,976.76
4. Step 4: Simplify right side
   4,158.53x = 80,582,250.96
5. Step 5: Solve for x
   x = 80,582,250.96/4,158.53
6. Step 6: Final answer
   x = 19,377.59