Finding the Third Proportional to 19,734,431,865 and 42,614,189,917

Step by Step Solution

1. Step 1: Write the proportion equation
   19,734,431,865 : 42,614,189,917 = 42,614,189,917 : x
2. Step 2: Convert to fraction form
   19,734,431,865/42,614,189,917 = 42,614,189,917/x
3. Step 3: Cross multiply
   19,734,431,865x = 42,614,189,917 × 42,614,189,917
4. Step 4: Simplify right side
   19,734,431,865x = 1,815,969,182,282,144,546,816
5. Step 5: Solve for x
   x = 1,815,969,182,282,144,546,816/19,734,431,865
6. Step 6: Final answer
   x = 92,020,342,653.13