Finding the Third Proportional to 19,734,431,872 and 42,614,189,929

Step by Step Solution

1. Step 1: Write the proportion equation
   19,734,431,872 : 42,614,189,929 = 42,614,189,929 : x
2. Step 2: Convert to fraction form
   19,734,431,872/42,614,189,929 = 42,614,189,929/x
3. Step 3: Cross multiply
   19,734,431,872x = 42,614,189,929 × 42,614,189,929
4. Step 4: Simplify right side
   19,734,431,872x = 1,815,969,183,304,884,944,896
5. Step 5: Solve for x
   x = 1,815,969,183,304,884,944,896/19,734,431,872
6. Step 6: Final answer
   x = 92,020,342,672.31