Finding the Third Proportional to 72,268 and 149,144

Step by Step Solution

1. Step 1: Write the proportion equation
   72,268 : 149,144 = 149,144 : x
2. Step 2: Convert to fraction form
   72,268/149,144 = 149,144/x
3. Step 3: Cross multiply
   72,268x = 149,144 × 149,144
4. Step 4: Simplify right side
   72,268x = 22,243,932,736
5. Step 5: Solve for x
   x = 22,243,932,736/72,268
6. Step 6: Final answer
   x = 307,797.82