Finding the Third Proportional to 111,336 and 169,812

Step by Step Solution

1. Step 1: Write the proportion equation
   111,336 : 169,812 = 169,812 : x
2. Step 2: Convert to fraction form
   111,336/169,812 = 169,812/x
3. Step 3: Cross multiply
   111,336x = 169,812 × 169,812
4. Step 4: Simplify right side
   111,336x = 28,836,115,344
5. Step 5: Solve for x
   x = 28,836,115,344/111,336
6. Step 6: Final answer
   x = 259,000.82