Finding the Third Proportional to 1,028,263 and 2,228,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,028,263 : 2,228,138 = 2,228,138 : x
2. Step 2: Convert to fraction form
   1,028,263/2,228,138 = 2,228,138/x
3. Step 3: Cross multiply
   1,028,263x = 2,228,138 × 2,228,138
4. Step 4: Simplify right side
   1,028,263x = 4,964,598,947,044
5. Step 5: Solve for x
   x = 4,964,598,947,044/1,028,263
6. Step 6: Final answer
   x = 4,828,141.19