Finding the Third Proportional to 8,391,204,828 and 12,583,726,002

Step by Step Solution

1. Step 1: Write the proportion equation
   8,391,204,828 : 12,583,726,002 = 12,583,726,002 : x
2. Step 2: Convert to fraction form
   8,391,204,828/12,583,726,002 = 12,583,726,002/x
3. Step 3: Cross multiply
   8,391,204,828x = 12,583,726,002 × 12,583,726,002
4. Step 4: Simplify right side
   8,391,204,828x = 158,350,160,093,410,918,400
5. Step 5: Solve for x
   x = 158,350,160,093,410,918,400/8,391,204,828
6. Step 6: Final answer
   x = 18,870,968,274.43