Finding the Third Proportional to 1,271,328 and 2,785,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,328 : 2,785,440 = 2,785,440 : x
2. Step 2: Convert to fraction form
   1,271,328/2,785,440 = 2,785,440/x
3. Step 3: Cross multiply
   1,271,328x = 2,785,440 × 2,785,440
4. Step 4: Simplify right side
   1,271,328x = 7,758,675,993,600
5. Step 5: Solve for x
   x = 7,758,675,993,600/1,271,328
6. Step 6: Final answer
   x = 6,102,812.17