Finding the Third Proportional to 7,716.66 and 16,603.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,716.66 : 16,603.59 = 16,603.59 : x
2. Step 2: Convert to fraction form
   7,716.66/16,603.59 = 16,603.59/x
3. Step 3: Cross multiply
   7,716.66x = 16,603.59 × 16,603.59
4. Step 4: Simplify right side
   7,716.66x = 275,679,325.42
5. Step 5: Solve for x
   x = 275,679,325.42/7,716.66
6. Step 6: Final answer
   x = 35,725.23