Finding the Third Proportional to 1,363,228 and 2,018,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,228 : 2,018,520 = 2,018,520 : x
2. Step 2: Convert to fraction form
   1,363,228/2,018,520 = 2,018,520/x
3. Step 3: Cross multiply
   1,363,228x = 2,018,520 × 2,018,520
4. Step 4: Simplify right side
   1,363,228x = 4,074,422,990,400
5. Step 5: Solve for x
   x = 4,074,422,990,400/1,363,228
6. Step 6: Final answer
   x = 2,988,805.24