Finding the Third Proportional to 2,007.86 and 4,387.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.86 : 4,387.35 = 4,387.35 : x
2. Step 2: Convert to fraction form
   2,007.86/4,387.35 = 4,387.35/x
3. Step 3: Cross multiply
   2,007.86x = 4,387.35 × 4,387.35
4. Step 4: Simplify right side
   2,007.86x = 19,248,825.88
5. Step 5: Solve for x
   x = 19,248,825.88/2,007.86
6. Step 6: Final answer
   x = 9,586.71