Finding the Third Proportional to 111,917 and 168,956

Step by Step Solution

1. Step 1: Write the proportion equation
   111,917 : 168,956 = 168,956 : x
2. Step 2: Convert to fraction form
   111,917/168,956 = 168,956/x
3. Step 3: Cross multiply
   111,917x = 168,956 × 168,956
4. Step 4: Simplify right side
   111,917x = 28,546,129,936
5. Step 5: Solve for x
   x = 28,546,129,936/111,917
6. Step 6: Final answer
   x = 255,065.18