Finding the Third Proportional to 28,243 and 60,238

Step by Step Solution

1. Step 1: Write the proportion equation
   28,243 : 60,238 = 60,238 : x
2. Step 2: Convert to fraction form
   28,243/60,238 = 60,238/x
3. Step 3: Cross multiply
   28,243x = 60,238 × 60,238
4. Step 4: Simplify right side
   28,243x = 3,628,616,644
5. Step 5: Solve for x
   x = 3,628,616,644/28,243
6. Step 6: Final answer
   x = 128,478.44