Finding the Third Proportional to 1,279,928 and 2,749,630

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,928 : 2,749,630 = 2,749,630 : x
2. Step 2: Convert to fraction form
   1,279,928/2,749,630 = 2,749,630/x
3. Step 3: Cross multiply
   1,279,928x = 2,749,630 × 2,749,630
4. Step 4: Simplify right side
   1,279,928x = 7,560,465,136,900
5. Step 5: Solve for x
   x = 7,560,465,136,900/1,279,928
6. Step 6: Final answer
   x = 5,906,945.65