Finding the Third Proportional to 9,231,760 and 21,369,853

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,760 : 21,369,853 = 21,369,853 : x
2. Step 2: Convert to fraction form
   9,231,760/21,369,853 = 21,369,853/x
3. Step 3: Cross multiply
   9,231,760x = 21,369,853 × 21,369,853
4. Step 4: Simplify right side
   9,231,760x = 456,670,617,241,609
5. Step 5: Solve for x
   x = 456,670,617,241,609/9,231,760
6. Step 6: Final answer
   x = 49,467,340.71