Finding the Third Proportional to 829,456 and 1,819,612

Step by Step Solution

1. Step 1: Write the proportion equation
   829,456 : 1,819,612 = 1,819,612 : x
2. Step 2: Convert to fraction form
   829,456/1,819,612 = 1,819,612/x
3. Step 3: Cross multiply
   829,456x = 1,819,612 × 1,819,612
4. Step 4: Simplify right side
   829,456x = 3,310,987,830,544
5. Step 5: Solve for x
   x = 3,310,987,830,544/829,456
6. Step 6: Final answer
   x = 3,991,758.25