Finding the Third Proportional to 109,016 and 168,860

Step by Step Solution

1. Step 1: Write the proportion equation
   109,016 : 168,860 = 168,860 : x
2. Step 2: Convert to fraction form
   109,016/168,860 = 168,860/x
3. Step 3: Cross multiply
   109,016x = 168,860 × 168,860
4. Step 4: Simplify right side
   109,016x = 28,513,699,600
5. Step 5: Solve for x
   x = 28,513,699,600/109,016
6. Step 6: Final answer
   x = 261,555.18