Finding the Third Proportional to 16,811 and 35,809

Step by Step Solution

1. Step 1: Write the proportion equation
   16,811 : 35,809 = 35,809 : x
2. Step 2: Convert to fraction form
   16,811/35,809 = 35,809/x
3. Step 3: Cross multiply
   16,811x = 35,809 × 35,809
4. Step 4: Simplify right side
   16,811x = 1,282,284,481
5. Step 5: Solve for x
   x = 1,282,284,481/16,811
6. Step 6: Final answer
   x = 76,276.51