Finding the Third Proportional to 1,244,638 and 1,878,404

Step by Step Solution

1. Step 1: Write the proportion equation
   1,244,638 : 1,878,404 = 1,878,404 : x
2. Step 2: Convert to fraction form
   1,244,638/1,878,404 = 1,878,404/x
3. Step 3: Cross multiply
   1,244,638x = 1,878,404 × 1,878,404
4. Step 4: Simplify right side
   1,244,638x = 3,528,401,587,216
5. Step 5: Solve for x
   x = 3,528,401,587,216/1,244,638
6. Step 6: Final answer
   x = 2,834,881.78