Finding the Third Proportional to 2,990,080 and 7,019,648

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,080 : 7,019,648 = 7,019,648 : x
2. Step 2: Convert to fraction form
   2,990,080/7,019,648 = 7,019,648/x
3. Step 3: Cross multiply
   2,990,080x = 7,019,648 × 7,019,648
4. Step 4: Simplify right side
   2,990,080x = 49,275,458,043,904
5. Step 5: Solve for x
   x = 49,275,458,043,904/2,990,080
6. Step 6: Final answer
   x = 16,479,645.38