Finding the Third Proportional to 16,811 and 22,090

Step by Step Solution

1. Step 1: Write the proportion equation
   16,811 : 22,090 = 22,090 : x
2. Step 2: Convert to fraction form
   16,811/22,090 = 22,090/x
3. Step 3: Cross multiply
   16,811x = 22,090 × 22,090
4. Step 4: Simplify right side
   16,811x = 487,968,100
5. Step 5: Solve for x
   x = 487,968,100/16,811
6. Step 6: Final answer
   x = 29,026.71