Finding the Third Proportional to 21,044,120,838 and 45,792,854,604

Step by Step Solution

1. Step 1: Write the proportion equation
   21,044,120,838 : 45,792,854,604 = 45,792,854,604 : x
2. Step 2: Convert to fraction form
   21,044,120,838/45,792,854,604 = 45,792,854,604/x
3. Step 3: Cross multiply
   21,044,120,838x = 45,792,854,604 × 45,792,854,604
4. Step 4: Simplify right side
   21,044,120,838x = 2,096,985,532,783,083,913,216
5. Step 5: Solve for x
   x = 2,096,985,532,783,083,913,216/21,044,120,838
6. Step 6: Final answer
   x = 99,647,096,161.72