Finding the Third Proportional to 28,236 and 65,648

Step by Step Solution

1. Step 1: Write the proportion equation
   28,236 : 65,648 = 65,648 : x
2. Step 2: Convert to fraction form
   28,236/65,648 = 65,648/x
3. Step 3: Cross multiply
   28,236x = 65,648 × 65,648
4. Step 4: Simplify right side
   28,236x = 4,309,659,904
5. Step 5: Solve for x
   x = 4,309,659,904/28,236
6. Step 6: Final answer
   x = 152,629.97