Finding the Third Proportional to 1,306,686 and 2,772,036

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,686 : 2,772,036 = 2,772,036 : x
2. Step 2: Convert to fraction form
   1,306,686/2,772,036 = 2,772,036/x
3. Step 3: Cross multiply
   1,306,686x = 2,772,036 × 2,772,036
4. Step 4: Simplify right side
   1,306,686x = 7,684,183,585,296
5. Step 5: Solve for x
   x = 7,684,183,585,296/1,306,686
6. Step 6: Final answer
   x = 5,880,665.73