Finding the Third Proportional to 1,287,738 and 2,049,812

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,738 : 2,049,812 = 2,049,812 : x
2. Step 2: Convert to fraction form
   1,287,738/2,049,812 = 2,049,812/x
3. Step 3: Cross multiply
   1,287,738x = 2,049,812 × 2,049,812
4. Step 4: Simplify right side
   1,287,738x = 4,201,729,235,344
5. Step 5: Solve for x
   x = 4,201,729,235,344/1,287,738
6. Step 6: Final answer
   x = 3,262,875.86