Finding the Third Proportional to 2,138,441 and 2,826,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,441 : 2,826,636 = 2,826,636 : x
2. Step 2: Convert to fraction form
   2,138,441/2,826,636 = 2,826,636/x
3. Step 3: Cross multiply
   2,138,441x = 2,826,636 × 2,826,636
4. Step 4: Simplify right side
   2,138,441x = 7,989,871,076,496
5. Step 5: Solve for x
   x = 7,989,871,076,496/2,138,441
6. Step 6: Final answer
   x = 3,736,306.53