Finding the Third Proportional to 21,044,120,379 and 45,792,853,674

Step by Step Solution

1. Step 1: Write the proportion equation
   21,044,120,379 : 45,792,853,674 = 45,792,853,674 : x
2. Step 2: Convert to fraction form
   21,044,120,379/45,792,853,674 = 45,792,853,674/x
3. Step 3: Cross multiply
   21,044,120,379x = 45,792,853,674 × 45,792,853,674
4. Step 4: Simplify right side
   21,044,120,379x = 2,096,985,447,608,375,312,384
5. Step 5: Solve for x
   x = 2,096,985,447,608,375,312,384/21,044,120,379
6. Step 6: Final answer
   x = 99,647,094,287.72