Finding the Third Proportional to 19,778,067 and 41,071,968

Step by Step Solution

1. Step 1: Write the proportion equation
   19,778,067 : 41,071,968 = 41,071,968 : x
2. Step 2: Convert to fraction form
   19,778,067/41,071,968 = 41,071,968/x
3. Step 3: Cross multiply
   19,778,067x = 41,071,968 × 41,071,968
4. Step 4: Simplify right side
   19,778,067x = 1,686,906,555,393,024
5. Step 5: Solve for x
   x = 1,686,906,555,393,024/19,778,067
6. Step 6: Final answer
   x = 85,291,780.81