Finding the Third Proportional to 10,268 and 22,490

Step by Step Solution

1. Step 1: Write the proportion equation
   10,268 : 22,490 = 22,490 : x
2. Step 2: Convert to fraction form
   10,268/22,490 = 22,490/x
3. Step 3: Cross multiply
   10,268x = 22,490 × 22,490
4. Step 4: Simplify right side
   10,268x = 505,800,100
5. Step 5: Solve for x
   x = 505,800,100/10,268
6. Step 6: Final answer
   x = 49,259.85