Finding the Third Proportional to 108,657 and 168,105

Step by Step Solution

1. Step 1: Write the proportion equation
   108,657 : 168,105 = 168,105 : x
2. Step 2: Convert to fraction form
   108,657/168,105 = 168,105/x
3. Step 3: Cross multiply
   108,657x = 168,105 × 168,105
4. Step 4: Simplify right side
   108,657x = 28,259,291,025
5. Step 5: Solve for x
   x = 28,259,291,025/108,657
6. Step 6: Final answer
   x = 260,077.96