Finding the Third Proportional to 2,057.06 and 4,387.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.06 : 4,387.88 = 4,387.88 : x
2. Step 2: Convert to fraction form
   2,057.06/4,387.88 = 4,387.88/x
3. Step 3: Cross multiply
   2,057.06x = 4,387.88 × 4,387.88
4. Step 4: Simplify right side
   2,057.06x = 19,253,447.02
5. Step 5: Solve for x
   x = 19,253,447.02/2,057.06
6. Step 6: Final answer
   x = 9,359.68