Finding the Third Proportional to 1,304,139 and 2,765,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304,139 : 2,765,286 = 2,765,286 : x
2. Step 2: Convert to fraction form
   1,304,139/2,765,286 = 2,765,286/x
3. Step 3: Cross multiply
   1,304,139x = 2,765,286 × 2,765,286
4. Step 4: Simplify right side
   1,304,139x = 7,646,806,661,796
5. Step 5: Solve for x
   x = 7,646,806,661,796/1,304,139
6. Step 6: Final answer
   x = 5,863,490.52