Finding the Third Proportional to 10,820 and 22,216

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820 : 22,216 = 22,216 : x
2. Step 2: Convert to fraction form
   10,820/22,216 = 22,216/x
3. Step 3: Cross multiply
   10,820x = 22,216 × 22,216
4. Step 4: Simplify right side
   10,820x = 493,550,656
5. Step 5: Solve for x
   x = 493,550,656/10,820
6. Step 6: Final answer
   x = 45,614.66