Finding the Third Proportional to 1,285,960 and 2,749,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285,960 : 2,749,072 = 2,749,072 : x
2. Step 2: Convert to fraction form
   1,285,960/2,749,072 = 2,749,072/x
3. Step 3: Cross multiply
   1,285,960x = 2,749,072 × 2,749,072
4. Step 4: Simplify right side
   1,285,960x = 7,557,396,861,184
5. Step 5: Solve for x
   x = 7,557,396,861,184/1,285,960
6. Step 6: Final answer
   x = 5,876,852.20