Finding the Third Proportional to 3,819,968 and 8,269,792

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819,968 : 8,269,792 = 8,269,792 : x
2. Step 2: Convert to fraction form
   3,819,968/8,269,792 = 8,269,792/x
3. Step 3: Cross multiply
   3,819,968x = 8,269,792 × 8,269,792
4. Step 4: Simplify right side
   3,819,968x = 68,389,459,723,264
5. Step 5: Solve for x
   x = 68,389,459,723,264/3,819,968
6. Step 6: Final answer
   x = 17,903,149.90