Finding the Third Proportional to 1,018,966 and 2,159,306

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,966 : 2,159,306 = 2,159,306 : x
2. Step 2: Convert to fraction form
   1,018,966/2,159,306 = 2,159,306/x
3. Step 3: Cross multiply
   1,018,966x = 2,159,306 × 2,159,306
4. Step 4: Simplify right side
   1,018,966x = 4,662,602,401,636
5. Step 5: Solve for x
   x = 4,662,602,401,636/1,018,966
6. Step 6: Final answer
   x = 4,575,817.45