Finding the Third Proportional to 12,855,336,215,648 and 27,755,677,062,856

Step by Step Solution

1. Step 1: Write the proportion equation
   12,855,336,215,648 : 27,755,677,062,856 = 27,755,677,062,856 : x
2. Step 2: Convert to fraction form
   12,855,336,215,648/27,755,677,062,856 = 27,755,677,062,856/x
3. Step 3: Cross multiply
   12,855,336,215,648x = 27,755,677,062,856 × 27,755,677,062,856
4. Step 4: Simplify right side
   12,855,336,215,648x = 770,377,609,217,550,726,530,596,864
5. Step 5: Solve for x
   x = 770,377,609,217,550,726,530,596,864/12,855,336,215,648
6. Step 6: Final answer
   x = 59,926,679,185,552.38