Finding the Third Proportional to 65,856 and 136,068

Step by Step Solution

1. Step 1: Write the proportion equation
   65,856 : 136,068 = 136,068 : x
2. Step 2: Convert to fraction form
   65,856/136,068 = 136,068/x
3. Step 3: Cross multiply
   65,856x = 136,068 × 136,068
4. Step 4: Simplify right side
   65,856x = 18,514,500,624
5. Step 5: Solve for x
   x = 18,514,500,624/65,856
6. Step 6: Final answer
   x = 281,136.12