Finding the Third Proportional to 112,686 and 168,676.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,686 : 168,676.50 = 168,676.50 : x
2. Step 2: Convert to fraction form
   112,686/168,676.50 = 168,676.50/x
3. Step 3: Cross multiply
   112,686x = 168,676.50 × 168,676.50
4. Step 4: Simplify right side
   112,686x = 28,451,761,652.25
5. Step 5: Solve for x
   x = 28,451,761,652.25/112,686
6. Step 6: Final answer
   x = 252,487.10