Finding the Third Proportional to 16,810 and 18,298

Step by Step Solution

1. Step 1: Write the proportion equation
   16,810 : 18,298 = 18,298 : x
2. Step 2: Convert to fraction form
   16,810/18,298 = 18,298/x
3. Step 3: Cross multiply
   16,810x = 18,298 × 18,298
4. Step 4: Simplify right side
   16,810x = 334,816,804
5. Step 5: Solve for x
   x = 334,816,804/16,810
6. Step 6: Final answer
   x = 19,917.72