Finding the Third Proportional to 9,679,298 and 21,065,552

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679,298 : 21,065,552 = 21,065,552 : x
2. Step 2: Convert to fraction form
   9,679,298/21,065,552 = 21,065,552/x
3. Step 3: Cross multiply
   9,679,298x = 21,065,552 × 21,065,552
4. Step 4: Simplify right side
   9,679,298x = 443,757,481,064,704
5. Step 5: Solve for x
   x = 443,757,481,064,704/9,679,298
6. Step 6: Final answer
   x = 45,846,039.77