Finding the Third Proportional to 72,354 and 111,281

Step by Step Solution

1. Step 1: Write the proportion equation
   72,354 : 111,281 = 111,281 : x
2. Step 2: Convert to fraction form
   72,354/111,281 = 111,281/x
3. Step 3: Cross multiply
   72,354x = 111,281 × 111,281
4. Step 4: Simplify right side
   72,354x = 12,383,460,961
5. Step 5: Solve for x
   x = 12,383,460,961/72,354
6. Step 6: Final answer
   x = 171,151.02