Finding the Third Proportional to 1,374,244 and 2,139,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374,244 : 2,139,890 = 2,139,890 : x
2. Step 2: Convert to fraction form
   1,374,244/2,139,890 = 2,139,890/x
3. Step 3: Cross multiply
   1,374,244x = 2,139,890 × 2,139,890
4. Step 4: Simplify right side
   1,374,244x = 4,579,129,212,100
5. Step 5: Solve for x
   x = 4,579,129,212,100/1,374,244
6. Step 6: Final answer
   x = 3,332,107.84