Finding the Third Proportional to 1,340.72 and 2,003.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.72 : 2,003.48 = 2,003.48 : x
2. Step 2: Convert to fraction form
   1,340.72/2,003.48 = 2,003.48/x
3. Step 3: Cross multiply
   1,340.72x = 2,003.48 × 2,003.48
4. Step 4: Simplify right side
   1,340.72x = 4,013,949.64
5. Step 5: Solve for x
   x = 4,013,949.64/1,340.72
6. Step 6: Final answer
   x = 2,993.88