Finding the Third Proportional to 1,279,866 and 2,764,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,866 : 2,764,980 = 2,764,980 : x
2. Step 2: Convert to fraction form
   1,279,866/2,764,980 = 2,764,980/x
3. Step 3: Cross multiply
   1,279,866x = 2,764,980 × 2,764,980
4. Step 4: Simplify right side
   1,279,866x = 7,645,114,400,400
5. Step 5: Solve for x
   x = 7,645,114,400,400/1,279,866
6. Step 6: Final answer
   x = 5,973,370.96