Finding the Third Proportional to 64,932 and 134,856

Step by Step Solution

1. Step 1: Write the proportion equation
   64,932 : 134,856 = 134,856 : x
2. Step 2: Convert to fraction form
   64,932/134,856 = 134,856/x
3. Step 3: Cross multiply
   64,932x = 134,856 × 134,856
4. Step 4: Simplify right side
   64,932x = 18,186,140,736
5. Step 5: Solve for x
   x = 18,186,140,736/64,932
6. Step 6: Final answer
   x = 280,079.79