Finding the Third Proportional to 22,990 and 51,180

Step by Step Solution

1. Step 1: Write the proportion equation
   22,990 : 51,180 = 51,180 : x
2. Step 2: Convert to fraction form
   22,990/51,180 = 51,180/x
3. Step 3: Cross multiply
   22,990x = 51,180 × 51,180
4. Step 4: Simplify right side
   22,990x = 2,619,392,400
5. Step 5: Solve for x
   x = 2,619,392,400/22,990
6. Step 6: Final answer
   x = 113,936.16