Finding the Third Proportional to 122,354 and 181,256

Step by Step Solution

1. Step 1: Write the proportion equation
   122,354 : 181,256 = 181,256 : x
2. Step 2: Convert to fraction form
   122,354/181,256 = 181,256/x
3. Step 3: Cross multiply
   122,354x = 181,256 × 181,256
4. Step 4: Simplify right side
   122,354x = 32,853,737,536
5. Step 5: Solve for x
   x = 32,853,737,536/122,354
6. Step 6: Final answer
   x = 268,513.80