Finding the Third Proportional to 3,640.13 and 7,799.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,640.13 : 7,799.06 = 7,799.06 : x
2. Step 2: Convert to fraction form
   3,640.13/7,799.06 = 7,799.06/x
3. Step 3: Cross multiply
   3,640.13x = 7,799.06 × 7,799.06
4. Step 4: Simplify right side
   3,640.13x = 60,825,375.88
5. Step 5: Solve for x
   x = 60,825,375.88/3,640.13
6. Step 6: Final answer
   x = 16,709.69