Finding the Third Proportional to 1,306,028 and 2,018,147

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,028 : 2,018,147 = 2,018,147 : x
2. Step 2: Convert to fraction form
   1,306,028/2,018,147 = 2,018,147/x
3. Step 3: Cross multiply
   1,306,028x = 2,018,147 × 2,018,147
4. Step 4: Simplify right side
   1,306,028x = 4,072,917,313,609
5. Step 5: Solve for x
   x = 4,072,917,313,609/1,306,028
6. Step 6: Final answer
   x = 3,118,552.83