Finding the Third Proportional to 2,917.27 and 4,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.27 : 4,558.15 = 4,558.15 : x
2. Step 2: Convert to fraction form
   2,917.27/4,558.15 = 4,558.15/x
3. Step 3: Cross multiply
   2,917.27x = 4,558.15 × 4,558.15
4. Step 4: Simplify right side
   2,917.27x = 20,776,717.18
5. Step 5: Solve for x
   x = 20,776,717.18/2,917.27
6. Step 6: Final answer
   x = 7,121.98