Finding the Third Proportional to 1,288,280 and 2,798,544

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,280 : 2,798,544 = 2,798,544 : x
2. Step 2: Convert to fraction form
   1,288,280/2,798,544 = 2,798,544/x
3. Step 3: Cross multiply
   1,288,280x = 2,798,544 × 2,798,544
4. Step 4: Simplify right side
   1,288,280x = 7,831,848,519,936
5. Step 5: Solve for x
   x = 7,831,848,519,936/1,288,280
6. Step 6: Final answer
   x = 6,079,306.14