Finding the Third Proportional to 1,278,016 and 2,735,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,016 : 2,735,564 = 2,735,564 : x
2. Step 2: Convert to fraction form
   1,278,016/2,735,564 = 2,735,564/x
3. Step 3: Cross multiply
   1,278,016x = 2,735,564 × 2,735,564
4. Step 4: Simplify right side
   1,278,016x = 7,483,310,398,096
5. Step 5: Solve for x
   x = 7,483,310,398,096/1,278,016
6. Step 6: Final answer
   x = 5,855,412.14