Finding the Third Proportional to 1,285,200 and 1,923,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,200 : 1,923,912 = 1,923,912 : x
2. Step 2: Convert to fraction form
   1,285,200/1,923,912 = 1,923,912/x
3. Step 3: Cross multiply
   1,285,200x = 1,923,912 × 1,923,912
4. Step 4: Simplify right side
   1,285,200x = 3,701,437,383,744
5. Step 5: Solve for x
   x = 3,701,437,383,744/1,285,200
6. Step 6: Final answer
   x = 2,880,047.76