Finding the Third Proportional to 1,284,980 and 2,740,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,980 : 2,740,960 = 2,740,960 : x
2. Step 2: Convert to fraction form
   1,284,980/2,740,960 = 2,740,960/x
3. Step 3: Cross multiply
   1,284,980x = 2,740,960 × 2,740,960
4. Step 4: Simplify right side
   1,284,980x = 7,512,861,721,600
5. Step 5: Solve for x
   x = 7,512,861,721,600/1,284,980
6. Step 6: Final answer
   x = 5,846,676.00