Finding the Third Proportional to 2,108,724,952 and 4,391,986,112

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,724,952 : 4,391,986,112 = 4,391,986,112 : x
2. Step 2: Convert to fraction form
   2,108,724,952/4,391,986,112 = 4,391,986,112/x
3. Step 3: Cross multiply
   2,108,724,952x = 4,391,986,112 × 4,391,986,112
4. Step 4: Simplify right side
   2,108,724,952x = 19,289,542,008,000,876,544
5. Step 5: Solve for x
   x = 19,289,542,008,000,876,544/2,108,724,952
6. Step 6: Final answer
   x = 9,147,490,757.25