Finding the Third Proportional to 9,468,264 and 20,707,920

Step by Step Solution

1. Step 1: Write the proportion equation
   9,468,264 : 20,707,920 = 20,707,920 : x
2. Step 2: Convert to fraction form
   9,468,264/20,707,920 = 20,707,920/x
3. Step 3: Cross multiply
   9,468,264x = 20,707,920 × 20,707,920
4. Step 4: Simplify right side
   9,468,264x = 428,817,950,726,400
5. Step 5: Solve for x
   x = 428,817,950,726,400/9,468,264
6. Step 6: Final answer
   x = 45,290,028.96