Finding the Third Proportional to 112,320 and 168,936

Step by Step Solution

1. Step 1: Write the proportion equation
   112,320 : 168,936 = 168,936 : x
2. Step 2: Convert to fraction form
   112,320/168,936 = 168,936/x
3. Step 3: Cross multiply
   112,320x = 168,936 × 168,936
4. Step 4: Simplify right side
   112,320x = 28,539,372,096
5. Step 5: Solve for x
   x = 28,539,372,096/112,320
6. Step 6: Final answer
   x = 254,089.85