Finding the Third Proportional to 19,993,737,864 and 41,642,345,649

Step by Step Solution

1. Step 1: Write the proportion equation
   19,993,737,864 : 41,642,345,649 = 41,642,345,649 : x
2. Step 2: Convert to fraction form
   19,993,737,864/41,642,345,649 = 41,642,345,649/x
3. Step 3: Cross multiply
   19,993,737,864x = 41,642,345,649 × 41,642,345,649
4. Step 4: Simplify right side
   19,993,737,864x = 1,734,084,951,150,789,132,288
5. Step 5: Solve for x
   x = 1,734,084,951,150,789,132,288/19,993,737,864
6. Step 6: Final answer
   x = 86,731,403,749.83