Finding the Third Proportional to 108,920 and 168,303

Step by Step Solution

1. Step 1: Write the proportion equation
   108,920 : 168,303 = 168,303 : x
2. Step 2: Convert to fraction form
   108,920/168,303 = 168,303/x
3. Step 3: Cross multiply
   108,920x = 168,303 × 168,303
4. Step 4: Simplify right side
   108,920x = 28,325,899,809
5. Step 5: Solve for x
   x = 28,325,899,809/108,920
6. Step 6: Final answer
   x = 260,061.51