Finding the Third Proportional to 3,680.12 and 8,047.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.12 : 8,047.48 = 8,047.48 : x
2. Step 2: Convert to fraction form
   3,680.12/8,047.48 = 8,047.48/x
3. Step 3: Cross multiply
   3,680.12x = 8,047.48 × 8,047.48
4. Step 4: Simplify right side
   3,680.12x = 64,761,879.02
5. Step 5: Solve for x
   x = 64,761,879.02/3,680.12
6. Step 6: Final answer
   x = 17,597.76