Finding the Third Proportional to 9,311,707 and 20,354,870

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311,707 : 20,354,870 = 20,354,870 : x
2. Step 2: Convert to fraction form
   9,311,707/20,354,870 = 20,354,870/x
3. Step 3: Cross multiply
   9,311,707x = 20,354,870 × 20,354,870
4. Step 4: Simplify right side
   9,311,707x = 414,320,732,716,900
5. Step 5: Solve for x
   x = 414,320,732,716,900/9,311,707
6. Step 6: Final answer
   x = 44,494,605.85