Finding the Third Proportional to 1,373,108 and 2,990,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,108 : 2,990,320 = 2,990,320 : x
2. Step 2: Convert to fraction form
   1,373,108/2,990,320 = 2,990,320/x
3. Step 3: Cross multiply
   1,373,108x = 2,990,320 × 2,990,320
4. Step 4: Simplify right side
   1,373,108x = 8,942,013,702,400
5. Step 5: Solve for x
   x = 8,942,013,702,400/1,373,108
6. Step 6: Final answer
   x = 6,512,243.54