Finding the Third Proportional to 3,677.91 and 8,039.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.91 : 8,039.25 = 8,039.25 : x
2. Step 2: Convert to fraction form
   3,677.91/8,039.25 = 8,039.25/x
3. Step 3: Cross multiply
   3,677.91x = 8,039.25 × 8,039.25
4. Step 4: Simplify right side
   3,677.91x = 64,629,540.56
5. Step 5: Solve for x
   x = 64,629,540.56/3,677.91
6. Step 6: Final answer
   x = 17,572.37