Finding the Third Proportional to 9,231,727 and 21,369,779

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,727 : 21,369,779 = 21,369,779 : x
2. Step 2: Convert to fraction form
   9,231,727/21,369,779 = 21,369,779/x
3. Step 3: Cross multiply
   9,231,727x = 21,369,779 × 21,369,779
4. Step 4: Simplify right side
   9,231,727x = 456,667,454,508,841
5. Step 5: Solve for x
   x = 456,667,454,508,841/9,231,727
6. Step 6: Final answer
   x = 49,467,174.94