Finding the Third Proportional to 3,820.13 and 8,100.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.13 : 8,100.16 = 8,100.16 : x
2. Step 2: Convert to fraction form
   3,820.13/8,100.16 = 8,100.16/x
3. Step 3: Cross multiply
   3,820.13x = 8,100.16 × 8,100.16
4. Step 4: Simplify right side
   3,820.13x = 65,612,562.92
5. Step 5: Solve for x
   x = 65,612,562.92/3,820.13
6. Step 6: Final answer
   x = 17,175.48