Finding the Third Proportional to 16,879.64 and 36,796.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,879.64 : 36,796.78 = 36,796.78 : x
2. Step 2: Convert to fraction form
   16,879.64/36,796.78 = 36,796.78/x
3. Step 3: Cross multiply
   16,879.64x = 36,796.78 × 36,796.78
4. Step 4: Simplify right side
   16,879.64x = 1,354,003,110.36
5. Step 5: Solve for x
   x = 1,354,003,110.36/16,879.64
6. Step 6: Final answer
   x = 80,215.16