Finding the Third Proportional to 2,221,238,863,920 and 3,127,993,786,728

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,238,863,920 : 3,127,993,786,728 = 3,127,993,786,728 : x
2. Step 2: Convert to fraction form
   2,221,238,863,920/3,127,993,786,728 = 3,127,993,786,728/x
3. Step 3: Cross multiply
   2,221,238,863,920x = 3,127,993,786,728 × 3,127,993,786,728
4. Step 4: Simplify right side
   2,221,238,863,920x = 9,784,345,129,808,971,840,880,640
5. Step 5: Solve for x
   x = 9,784,345,129,808,971,840,880,640/2,221,238,863,920
6. Step 6: Final answer
   x = 4,404,904,528,161.26