Finding the Third Proportional to 22,540 and 42,260

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540 : 42,260 = 42,260 : x
2. Step 2: Convert to fraction form
   22,540/42,260 = 42,260/x
3. Step 3: Cross multiply
   22,540x = 42,260 × 42,260
4. Step 4: Simplify right side
   22,540x = 1,785,907,600
5. Step 5: Solve for x
   x = 1,785,907,600/22,540
6. Step 6: Final answer
   x = 79,232.81