Finding the Third Proportional to 108,058 and 168,648

Step by Step Solution

1. Step 1: Write the proportion equation
   108,058 : 168,648 = 168,648 : x
2. Step 2: Convert to fraction form
   108,058/168,648 = 168,648/x
3. Step 3: Cross multiply
   108,058x = 168,648 × 168,648
4. Step 4: Simplify right side
   108,058x = 28,442,147,904
5. Step 5: Solve for x
   x = 28,442,147,904/108,058
6. Step 6: Final answer
   x = 263,211.87