Finding the Third Proportional to 65,661,800,611.50 and 133,150,717,980

Step by Step Solution

1. Step 1: Write the proportion equation
   65,661,800,611.50 : 133,150,717,980 = 133,150,717,980 : x
2. Step 2: Convert to fraction form
   65,661,800,611.50/133,150,717,980 = 133,150,717,980/x
3. Step 3: Cross multiply
   65,661,800,611.50x = 133,150,717,980 × 133,150,717,980
4. Step 4: Simplify right side
   65,661,800,611.50x = 17,729,113,698,589,495,787,520
5. Step 5: Solve for x
   x = 17,729,113,698,589,495,787,520/65,661,800,611.50
6. Step 6: Final answer
   x = 270,006,511,144.69