Finding the Third Proportional to 2,007.60 and 4,359.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.60 : 4,359.76 = 4,359.76 : x
2. Step 2: Convert to fraction form
   2,007.60/4,359.76 = 4,359.76/x
3. Step 3: Cross multiply
   2,007.60x = 4,359.76 × 4,359.76
4. Step 4: Simplify right side
   2,007.60x = 19,007,522.24
5. Step 5: Solve for x
   x = 19,007,522.24/2,007.60
6. Step 6: Final answer
   x = 9,467.79