Finding the Third Proportional to 1,398,275 and 2,159,227

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,275 : 2,159,227 = 2,159,227 : x
2. Step 2: Convert to fraction form
   1,398,275/2,159,227 = 2,159,227/x
3. Step 3: Cross multiply
   1,398,275x = 2,159,227 × 2,159,227
4. Step 4: Simplify right side
   1,398,275x = 4,662,261,237,529
5. Step 5: Solve for x
   x = 4,662,261,237,529/1,398,275
6. Step 6: Final answer
   x = 3,334,294.93