Finding the Third Proportional to 2,839,275 and 4,292,766

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839,275 : 4,292,766 = 4,292,766 : x
2. Step 2: Convert to fraction form
   2,839,275/4,292,766 = 4,292,766/x
3. Step 3: Cross multiply
   2,839,275x = 4,292,766 × 4,292,766
4. Step 4: Simplify right side
   2,839,275x = 18,427,839,930,756
5. Step 5: Solve for x
   x = 18,427,839,930,756/2,839,275
6. Step 6: Final answer
   x = 6,490,332.90