Finding the Third Proportional to 1,247,816 and 2,554,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,816 : 2,554,738 = 2,554,738 : x
2. Step 2: Convert to fraction form
   1,247,816/2,554,738 = 2,554,738/x
3. Step 3: Cross multiply
   1,247,816x = 2,554,738 × 2,554,738
4. Step 4: Simplify right side
   1,247,816x = 6,526,686,248,644
5. Step 5: Solve for x
   x = 6,526,686,248,644/1,247,816
6. Step 6: Final answer
   x = 5,230,487.71