Finding the Third Proportional to 9,576,544 and 21,013,978

Step by Step Solution

1. Step 1: Write the proportion equation
   9,576,544 : 21,013,978 = 21,013,978 : x
2. Step 2: Convert to fraction form
   9,576,544/21,013,978 = 21,013,978/x
3. Step 3: Cross multiply
   9,576,544x = 21,013,978 × 21,013,978
4. Step 4: Simplify right side
   9,576,544x = 441,587,271,384,484
5. Step 5: Solve for x
   x = 441,587,271,384,484/9,576,544
6. Step 6: Final answer
   x = 46,111,339.48