Finding the Third Proportional to 1,603.44 and 2,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.44 : 2,398.72 = 2,398.72 : x
2. Step 2: Convert to fraction form
   1,603.44/2,398.72 = 2,398.72/x
3. Step 3: Cross multiply
   1,603.44x = 2,398.72 × 2,398.72
4. Step 4: Simplify right side
   1,603.44x = 5,753,851.64
5. Step 5: Solve for x
   x = 5,753,851.64/1,603.44
6. Step 6: Final answer
   x = 3,588.45