Finding the Third Proportional to 10,558 and 22,790

Step by Step Solution

1. Step 1: Write the proportion equation
   10,558 : 22,790 = 22,790 : x
2. Step 2: Convert to fraction form
   10,558/22,790 = 22,790/x
3. Step 3: Cross multiply
   10,558x = 22,790 × 22,790
4. Step 4: Simplify right side
   10,558x = 519,384,100
5. Step 5: Solve for x
   x = 519,384,100/10,558
6. Step 6: Final answer
   x = 49,193.42