Finding the Third Proportional to 111,429 and 167,676

Step by Step Solution

1. Step 1: Write the proportion equation
   111,429 : 167,676 = 167,676 : x
2. Step 2: Convert to fraction form
   111,429/167,676 = 167,676/x
3. Step 3: Cross multiply
   111,429x = 167,676 × 167,676
4. Step 4: Simplify right side
   111,429x = 28,115,240,976
5. Step 5: Solve for x
   x = 28,115,240,976/111,429
6. Step 6: Final answer
   x = 252,315.29