Finding the Third Proportional to 3,603.23 and 7,764.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.23 : 7,764.61 = 7,764.61 : x
2. Step 2: Convert to fraction form
   3,603.23/7,764.61 = 7,764.61/x
3. Step 3: Cross multiply
   3,603.23x = 7,764.61 × 7,764.61
4. Step 4: Simplify right side
   3,603.23x = 60,289,158.75
5. Step 5: Solve for x
   x = 60,289,158.75/3,603.23
6. Step 6: Final answer
   x = 16,731.96