Finding the Third Proportional to 19,740,878 and 42,603,062

Step by Step Solution

1. Step 1: Write the proportion equation
   19,740,878 : 42,603,062 = 42,603,062 : x
2. Step 2: Convert to fraction form
   19,740,878/42,603,062 = 42,603,062/x
3. Step 3: Cross multiply
   19,740,878x = 42,603,062 × 42,603,062
4. Step 4: Simplify right side
   19,740,878x = 1,815,020,891,775,844
5. Step 5: Solve for x
   x = 1,815,020,891,775,844/19,740,878
6. Step 6: Final answer
   x = 91,942,257.67