Finding the Third Proportional to 2,666,862 and 4,236,498

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,862 : 4,236,498 = 4,236,498 : x
2. Step 2: Convert to fraction form
   2,666,862/4,236,498 = 4,236,498/x
3. Step 3: Cross multiply
   2,666,862x = 4,236,498 × 4,236,498
4. Step 4: Simplify right side
   2,666,862x = 17,947,915,304,004
5. Step 5: Solve for x
   x = 17,947,915,304,004/2,666,862
6. Step 6: Final answer
   x = 6,729,975.27