Finding the Third Proportional to 9,819,546 and 21,338,802

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819,546 : 21,338,802 = 21,338,802 : x
2. Step 2: Convert to fraction form
   9,819,546/21,338,802 = 21,338,802/x
3. Step 3: Cross multiply
   9,819,546x = 21,338,802 × 21,338,802
4. Step 4: Simplify right side
   9,819,546x = 455,344,470,795,204
5. Step 5: Solve for x
   x = 455,344,470,795,204/9,819,546
6. Step 6: Final answer
   x = 46,371,234.56