Finding the Third Proportional to 28,240 and 62,144

Step by Step Solution

1. Step 1: Write the proportion equation
   28,240 : 62,144 = 62,144 : x
2. Step 2: Convert to fraction form
   28,240/62,144 = 62,144/x
3. Step 3: Cross multiply
   28,240x = 62,144 × 62,144
4. Step 4: Simplify right side
   28,240x = 3,861,876,736
5. Step 5: Solve for x
   x = 3,861,876,736/28,240
6. Step 6: Final answer
   x = 136,752.01