Finding the Third Proportional to 1,286,838 and 2,785,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,838 : 2,785,500 = 2,785,500 : x
2. Step 2: Convert to fraction form
   1,286,838/2,785,500 = 2,785,500/x
3. Step 3: Cross multiply
   1,286,838x = 2,785,500 × 2,785,500
4. Step 4: Simplify right side
   1,286,838x = 7,759,010,250,000
5. Step 5: Solve for x
   x = 7,759,010,250,000/1,286,838
6. Step 6: Final answer
   x = 6,029,515.95