Finding the Third Proportional to 1,028,308 and 2,214,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,308 : 2,214,512 = 2,214,512 : x
2. Step 2: Convert to fraction form
   1,028,308/2,214,512 = 2,214,512/x
3. Step 3: Cross multiply
   1,028,308x = 2,214,512 × 2,214,512
4. Step 4: Simplify right side
   1,028,308x = 4,904,063,398,144
5. Step 5: Solve for x
   x = 4,904,063,398,144/1,028,308
6. Step 6: Final answer
   x = 4,769,060.82