Finding the Third Proportional to 9,231,774 and 21,369,906

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,774 : 21,369,906 = 21,369,906 : x
2. Step 2: Convert to fraction form
   9,231,774/21,369,906 = 21,369,906/x
3. Step 3: Cross multiply
   9,231,774x = 21,369,906 × 21,369,906
4. Step 4: Simplify right side
   9,231,774x = 456,672,882,448,836
5. Step 5: Solve for x
   x = 456,672,882,448,836/9,231,774
6. Step 6: Final answer
   x = 49,467,511.06