Finding the Third Proportional to 19,383,682,158 and 42,163,587,234

Step by Step Solution

1. Step 1: Write the proportion equation
   19,383,682,158 : 42,163,587,234 = 42,163,587,234 : x
2. Step 2: Convert to fraction form
   19,383,682,158/42,163,587,234 = 42,163,587,234/x
3. Step 3: Cross multiply
   19,383,682,158x = 42,163,587,234 × 42,163,587,234
4. Step 4: Simplify right side
   19,383,682,158x = 1,777,768,088,439,127,801,856
5. Step 5: Solve for x
   x = 1,777,768,088,439,127,801,856/19,383,682,158
6. Step 6: Final answer
   x = 91,714,673,917.38