Finding the Third Proportional to 28,544 and 62,680

Step by Step Solution

1. Step 1: Write the proportion equation
   28,544 : 62,680 = 62,680 : x
2. Step 2: Convert to fraction form
   28,544/62,680 = 62,680/x
3. Step 3: Cross multiply
   28,544x = 62,680 × 62,680
4. Step 4: Simplify right side
   28,544x = 3,928,782,400
5. Step 5: Solve for x
   x = 3,928,782,400/28,544
6. Step 6: Final answer
   x = 137,639.52