Finding the Third Proportional to 3,697.13 and 8,079.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.13 : 8,079.38 = 8,079.38 : x
2. Step 2: Convert to fraction form
   3,697.13/8,079.38 = 8,079.38/x
3. Step 3: Cross multiply
   3,697.13x = 8,079.38 × 8,079.38
4. Step 4: Simplify right side
   3,697.13x = 65,276,300.39
5. Step 5: Solve for x
   x = 65,276,300.39/3,697.13
6. Step 6: Final answer
   x = 17,655.96