Finding the Third Proportional to 3,805.89 and 8,303.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,805.89 : 8,303.77 = 8,303.77 : x
2. Step 2: Convert to fraction form
   3,805.89/8,303.77 = 8,303.77/x
3. Step 3: Cross multiply
   3,805.89x = 8,303.77 × 8,303.77
4. Step 4: Simplify right side
   3,805.89x = 68,952,523.55
5. Step 5: Solve for x
   x = 68,952,523.55/3,805.89
6. Step 6: Final answer
   x = 18,117.31