Finding the Third Proportional to 30,228 and 64,116

Step by Step Solution

1. Step 1: Write the proportion equation
   30,228 : 64,116 = 64,116 : x
2. Step 2: Convert to fraction form
   30,228/64,116 = 64,116/x
3. Step 3: Cross multiply
   30,228x = 64,116 × 64,116
4. Step 4: Simplify right side
   30,228x = 4,110,861,456
5. Step 5: Solve for x
   x = 4,110,861,456/30,228
6. Step 6: Final answer
   x = 135,995.15