Finding the Third Proportional to 20,189,986 and 31,322,024

Step by Step Solution

1. Step 1: Write the proportion equation
   20,189,986 : 31,322,024 = 31,322,024 : x
2. Step 2: Convert to fraction form
   20,189,986/31,322,024 = 31,322,024/x
3. Step 3: Cross multiply
   20,189,986x = 31,322,024 × 31,322,024
4. Step 4: Simplify right side
   20,189,986x = 981,069,187,456,576
5. Step 5: Solve for x
   x = 981,069,187,456,576/20,189,986
6. Step 6: Final answer
   x = 48,591,870.62