Finding the Third Proportional to 9,231,756 and 21,369,843

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,756 : 21,369,843 = 21,369,843 : x
2. Step 2: Convert to fraction form
   9,231,756/21,369,843 = 21,369,843/x
3. Step 3: Cross multiply
   9,231,756x = 21,369,843 × 21,369,843
4. Step 4: Simplify right side
   9,231,756x = 456,670,189,844,649
5. Step 5: Solve for x
   x = 456,670,189,844,649/9,231,756
6. Step 6: Final answer
   x = 49,467,315.84