Finding the Third Proportional to 3,607.88 and 7,877.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.88 : 7,877.25 = 7,877.25 : x
2. Step 2: Convert to fraction form
   3,607.88/7,877.25 = 7,877.25/x
3. Step 3: Cross multiply
   3,607.88x = 7,877.25 × 7,877.25
4. Step 4: Simplify right side
   3,607.88x = 62,051,067.56
5. Step 5: Solve for x
   x = 62,051,067.56/3,607.88
6. Step 6: Final answer
   x = 17,198.79