Finding the Third Proportional to 10,284,848 and 21,420,966

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284,848 : 21,420,966 = 21,420,966 : x
2. Step 2: Convert to fraction form
   10,284,848/21,420,966 = 21,420,966/x
3. Step 3: Cross multiply
   10,284,848x = 21,420,966 × 21,420,966
4. Step 4: Simplify right side
   10,284,848x = 458,857,784,373,156
5. Step 5: Solve for x
   x = 458,857,784,373,156/10,284,848
6. Step 6: Final answer
   x = 44,614,931.05