Finding the Third Proportional to 2,990,782 and 4,485,074

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,782 : 4,485,074 = 4,485,074 : x
2. Step 2: Convert to fraction form
   2,990,782/4,485,074 = 4,485,074/x
3. Step 3: Cross multiply
   2,990,782x = 4,485,074 × 4,485,074
4. Step 4: Simplify right side
   2,990,782x = 20,115,888,785,476
5. Step 5: Solve for x
   x = 20,115,888,785,476/2,990,782
6. Step 6: Final answer
   x = 6,725,962.90