Finding the Third Proportional to 2,639,665,720 and 5,733,339,928

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,665,720 : 5,733,339,928 = 5,733,339,928 : x
2. Step 2: Convert to fraction form
   2,639,665,720/5,733,339,928 = 5,733,339,928/x
3. Step 3: Cross multiply
   2,639,665,720x = 5,733,339,928 × 5,733,339,928
4. Step 4: Simplify right side
   2,639,665,720x = 32,871,186,729,999,044,608
5. Step 5: Solve for x
   x = 32,871,186,729,999,044,608/2,639,665,720
6. Step 6: Final answer
   x = 12,452,783,881.29