Finding the Third Proportional to 1,272,760 and 2,783,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,760 : 2,783,456 = 2,783,456 : x
2. Step 2: Convert to fraction form
   1,272,760/2,783,456 = 2,783,456/x
3. Step 3: Cross multiply
   1,272,760x = 2,783,456 × 2,783,456
4. Step 4: Simplify right side
   1,272,760x = 7,747,627,303,936
5. Step 5: Solve for x
   x = 7,747,627,303,936/1,272,760
6. Step 6: Final answer
   x = 6,087,264.92