Finding the Third Proportional to 3,773.81 and 8,879.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,773.81 : 8,879.63 = 8,879.63 : x
2. Step 2: Convert to fraction form
   3,773.81/8,879.63 = 8,879.63/x
3. Step 3: Cross multiply
   3,773.81x = 8,879.63 × 8,879.63
4. Step 4: Simplify right side
   3,773.81x = 78,847,740.14
5. Step 5: Solve for x
   x = 78,847,740.14/3,773.81
6. Step 6: Final answer
   x = 20,893.39