Finding the Third Proportional to 1,280,028 and 2,801,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,028 : 2,801,112 = 2,801,112 : x
2. Step 2: Convert to fraction form
   1,280,028/2,801,112 = 2,801,112/x
3. Step 3: Cross multiply
   1,280,028x = 2,801,112 × 2,801,112
4. Step 4: Simplify right side
   1,280,028x = 7,846,228,436,544
5. Step 5: Solve for x
   x = 7,846,228,436,544/1,280,028
6. Step 6: Final answer
   x = 6,129,731.88