Finding the Third Proportional to 2,690.44 and 3,851.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690.44 : 3,851.72 = 3,851.72 : x
2. Step 2: Convert to fraction form
   2,690.44/3,851.72 = 3,851.72/x
3. Step 3: Cross multiply
   2,690.44x = 3,851.72 × 3,851.72
4. Step 4: Simplify right side
   2,690.44x = 14,835,737.33
5. Step 5: Solve for x
   x = 14,835,737.33/2,690.44
6. Step 6: Final answer
   x = 5,514.25