Finding the Third Proportional to 8,424,408 and 16,428,912

Step by Step Solution

1. Step 1: Write the proportion equation
   8,424,408 : 16,428,912 = 16,428,912 : x
2. Step 2: Convert to fraction form
   8,424,408/16,428,912 = 16,428,912/x
3. Step 3: Cross multiply
   8,424,408x = 16,428,912 × 16,428,912
4. Step 4: Simplify right side
   8,424,408x = 269,909,149,503,744
5. Step 5: Solve for x
   x = 269,909,149,503,744/8,424,408
6. Step 6: Final answer
   x = 32,038,945.59