Finding the Third Proportional to 1,494,820 and 3,509,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494,820 : 3,509,328 = 3,509,328 : x
2. Step 2: Convert to fraction form
   1,494,820/3,509,328 = 3,509,328/x
3. Step 3: Cross multiply
   1,494,820x = 3,509,328 × 3,509,328
4. Step 4: Simplify right side
   1,494,820x = 12,315,383,011,584
5. Step 5: Solve for x
   x = 12,315,383,011,584/1,494,820
6. Step 6: Final answer
   x = 8,238,706.34