Finding the Third Proportional to 1,018,880 and 2,214,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,880 : 2,214,720 = 2,214,720 : x
2. Step 2: Convert to fraction form
   1,018,880/2,214,720 = 2,214,720/x
3. Step 3: Cross multiply
   1,018,880x = 2,214,720 × 2,214,720
4. Step 4: Simplify right side
   1,018,880x = 4,904,984,678,400
5. Step 5: Solve for x
   x = 4,904,984,678,400/1,018,880
6. Step 6: Final answer
   x = 4,814,094.57