Finding the Third Proportional to 21,792,944,405.81 and 31,163,947,612.59

Step by Step Solution

1. Step 1: Write the proportion equation
   21,792,944,405.81 : 31,163,947,612.59 = 31,163,947,612.59 : x
2. Step 2: Convert to fraction form
   21,792,944,405.81/31,163,947,612.59 = 31,163,947,612.59/x
3. Step 3: Cross multiply
   21,792,944,405.81x = 31,163,947,612.59 × 31,163,947,612.59
4. Step 4: Simplify right side
   21,792,944,405.81x = 971,191,630,800,440,786,944
5. Step 5: Solve for x
   x = 971,191,630,800,440,786,944/21,792,944,405.81
6. Step 6: Final answer
   x = 44,564,498,156.63