Finding the Third Proportional to 2,945.25 and 4,579.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.25 : 4,579.88 = 4,579.88 : x
2. Step 2: Convert to fraction form
   2,945.25/4,579.88 = 4,579.88/x
3. Step 3: Cross multiply
   2,945.25x = 4,579.88 × 4,579.88
4. Step 4: Simplify right side
   2,945.25x = 20,975,255.02
5. Step 5: Solve for x
   x = 20,975,255.02/2,945.25
6. Step 6: Final answer
   x = 7,121.72