Finding the Third Proportional to 109,108.13 and 168,481.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,108.13 : 168,481.69 = 168,481.69 : x
2. Step 2: Convert to fraction form
   109,108.13/168,481.69 = 168,481.69/x
3. Step 3: Cross multiply
   109,108.13x = 168,481.69 × 168,481.69
4. Step 4: Simplify right side
   109,108.13x = 28,386,079,022.85
5. Step 5: Solve for x
   x = 28,386,079,022.85/109,108.13
6. Step 6: Final answer
   x = 260,164.67