Finding the Third Proportional to 9,679,285 and 21,065,524

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679,285 : 21,065,524 = 21,065,524 : x
2. Step 2: Convert to fraction form
   9,679,285/21,065,524 = 21,065,524/x
3. Step 3: Cross multiply
   9,679,285x = 21,065,524 × 21,065,524
4. Step 4: Simplify right side
   9,679,285x = 443,756,301,394,576
5. Step 5: Solve for x
   x = 443,756,301,394,576/9,679,285
6. Step 6: Final answer
   x = 45,845,979.47