Finding the Third Proportional to 2,410.59 and 5,128.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.59 : 5,128.03 = 5,128.03 : x
2. Step 2: Convert to fraction form
   2,410.59/5,128.03 = 5,128.03/x
3. Step 3: Cross multiply
   2,410.59x = 5,128.03 × 5,128.03
4. Step 4: Simplify right side
   2,410.59x = 26,296,704.50
5. Step 5: Solve for x
   x = 26,296,704.50/2,410.59
6. Step 6: Final answer
   x = 10,908.81