Finding the Third Proportional to 2,019,987 and 4,432,426

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,987 : 4,432,426 = 4,432,426 : x
2. Step 2: Convert to fraction form
   2,019,987/4,432,426 = 4,432,426/x
3. Step 3: Cross multiply
   2,019,987x = 4,432,426 × 4,432,426
4. Step 4: Simplify right side
   2,019,987x = 19,646,400,245,476
5. Step 5: Solve for x
   x = 19,646,400,245,476/2,019,987
6. Step 6: Final answer
   x = 9,726,003.31