Finding the Third Proportional to 2,451.94 and 3,689.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.94 : 3,689.72 = 3,689.72 : x
2. Step 2: Convert to fraction form
   2,451.94/3,689.72 = 3,689.72/x
3. Step 3: Cross multiply
   2,451.94x = 3,689.72 × 3,689.72
4. Step 4: Simplify right side
   2,451.94x = 13,614,024.45
5. Step 5: Solve for x
   x = 13,614,024.45/2,451.94
6. Step 6: Final answer
   x = 5,552.35