Finding the Third Proportional to 65,656 and 140,656

Step by Step Solution

1. Step 1: Write the proportion equation
   65,656 : 140,656 = 140,656 : x
2. Step 2: Convert to fraction form
   65,656/140,656 = 140,656/x
3. Step 3: Cross multiply
   65,656x = 140,656 × 140,656
4. Step 4: Simplify right side
   65,656x = 19,784,110,336
5. Step 5: Solve for x
   x = 19,784,110,336/65,656
6. Step 6: Final answer
   x = 301,329.82