Finding the Third Proportional to 10,816 and 18,160

Step by Step Solution

1. Step 1: Write the proportion equation
   10,816 : 18,160 = 18,160 : x
2. Step 2: Convert to fraction form
   10,816/18,160 = 18,160/x
3. Step 3: Cross multiply
   10,816x = 18,160 × 18,160
4. Step 4: Simplify right side
   10,816x = 329,785,600
5. Step 5: Solve for x
   x = 329,785,600/10,816
6. Step 6: Final answer
   x = 30,490.53