Finding the Third Proportional to 65,661,800,556 and 133,150,717,869

Step by Step Solution

1. Step 1: Write the proportion equation
   65,661,800,556 : 133,150,717,869 = 133,150,717,869 : x
2. Step 2: Convert to fraction form
   65,661,800,556/133,150,717,869 = 133,150,717,869/x
3. Step 3: Cross multiply
   65,661,800,556x = 133,150,717,869 × 133,150,717,869
4. Step 4: Simplify right side
   65,661,800,556x = 17,729,113,669,030,035,587,072
5. Step 5: Solve for x
   x = 17,729,113,669,030,035,587,072/65,661,800,556
6. Step 6: Final answer
   x = 270,006,510,922.74