Finding the Third Proportional to 1,373,118 and 2,990,340

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,118 : 2,990,340 = 2,990,340 : x
2. Step 2: Convert to fraction form
   1,373,118/2,990,340 = 2,990,340/x
3. Step 3: Cross multiply
   1,373,118x = 2,990,340 × 2,990,340
4. Step 4: Simplify right side
   1,373,118x = 8,942,133,315,600
5. Step 5: Solve for x
   x = 8,942,133,315,600/1,373,118
6. Step 6: Final answer
   x = 6,512,283.22