Finding the Third Proportional to 70,268 and 108,320

Step by Step Solution

1. Step 1: Write the proportion equation
   70,268 : 108,320 = 108,320 : x
2. Step 2: Convert to fraction form
   70,268/108,320 = 108,320/x
3. Step 3: Cross multiply
   70,268x = 108,320 × 108,320
4. Step 4: Simplify right side
   70,268x = 11,733,222,400
5. Step 5: Solve for x
   x = 11,733,222,400/70,268
6. Step 6: Final answer
   x = 166,978.17