Finding the Third Proportional to 89,262.75 and 122,400

Step by Step Solution

1. Step 1: Write the proportion equation
   89,262.75 : 122,400 = 122,400 : x
2. Step 2: Convert to fraction form
   89,262.75/122,400 = 122,400/x
3. Step 3: Cross multiply
   89,262.75x = 122,400 × 122,400
4. Step 4: Simplify right side
   89,262.75x = 14,981,760,000
5. Step 5: Solve for x
   x = 14,981,760,000/89,262.75
6. Step 6: Final answer
   x = 167,838.88