Finding the Third Proportional to 1,142,828 and 2,488,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,828 : 2,488,836 = 2,488,836 : x
2. Step 2: Convert to fraction form
   1,142,828/2,488,836 = 2,488,836/x
3. Step 3: Cross multiply
   1,142,828x = 2,488,836 × 2,488,836
4. Step 4: Simplify right side
   1,142,828x = 6,194,304,634,896
5. Step 5: Solve for x
   x = 6,194,304,634,896/1,142,828
6. Step 6: Final answer
   x = 5,420,154.77