Finding the Third Proportional to 1,285,820 and 2,800,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,820 : 2,800,228 = 2,800,228 : x
2. Step 2: Convert to fraction form
   1,285,820/2,800,228 = 2,800,228/x
3. Step 3: Cross multiply
   1,285,820x = 2,800,228 × 2,800,228
4. Step 4: Simplify right side
   1,285,820x = 7,841,276,851,984
5. Step 5: Solve for x
   x = 7,841,276,851,984/1,285,820
6. Step 6: Final answer
   x = 6,098,269.47