Finding the Third Proportional to 1,281,560 and 2,728,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,560 : 2,728,764 = 2,728,764 : x
2. Step 2: Convert to fraction form
   1,281,560/2,728,764 = 2,728,764/x
3. Step 3: Cross multiply
   1,281,560x = 2,728,764 × 2,728,764
4. Step 4: Simplify right side
   1,281,560x = 7,446,152,967,696
5. Step 5: Solve for x
   x = 7,446,152,967,696/1,281,560
6. Step 6: Final answer
   x = 5,810,225.79