Finding the Third Proportional to 1,205,820 and 2,621,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,820 : 2,621,304 = 2,621,304 : x
2. Step 2: Convert to fraction form
   1,205,820/2,621,304 = 2,621,304/x
3. Step 3: Cross multiply
   1,205,820x = 2,621,304 × 2,621,304
4. Step 4: Simplify right side
   1,205,820x = 6,871,234,660,416
5. Step 5: Solve for x
   x = 6,871,234,660,416/1,205,820
6. Step 6: Final answer
   x = 5,698,391.68