Finding the Third Proportional to 1,285,912 and 2,765,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,912 : 2,765,372 = 2,765,372 : x
2. Step 2: Convert to fraction form
   1,285,912/2,765,372 = 2,765,372/x
3. Step 3: Cross multiply
   1,285,912x = 2,765,372 × 2,765,372
4. Step 4: Simplify right side
   1,285,912x = 7,647,282,298,384
5. Step 5: Solve for x
   x = 7,647,282,298,384/1,285,912
6. Step 6: Final answer
   x = 5,946,971.72