Finding the Third Proportional to 20,786,682,506.50 and 42,675,327,608

Step by Step Solution

1. Step 1: Write the proportion equation
   20,786,682,506.50 : 42,675,327,608 = 42,675,327,608 : x
2. Step 2: Convert to fraction form
   20,786,682,506.50/42,675,327,608 = 42,675,327,608/x
3. Step 3: Cross multiply
   20,786,682,506.50x = 42,675,327,608 × 42,675,327,608
4. Step 4: Simplify right side
   20,786,682,506.50x = 1,821,183,586,450,126,929,920
5. Step 5: Solve for x
   x = 1,821,183,586,450,126,929,920/20,786,682,506.50
6. Step 6: Final answer
   x = 87,612,998,653.38