Finding the Third Proportional to 829,458 and 1,819,620

Step by Step Solution

1. Step 1: Write the proportion equation
   829,458 : 1,819,620 = 1,819,620 : x
2. Step 2: Convert to fraction form
   829,458/1,819,620 = 1,819,620/x
3. Step 3: Cross multiply
   829,458x = 1,819,620 × 1,819,620
4. Step 4: Simplify right side
   829,458x = 3,311,016,944,400
5. Step 5: Solve for x
   x = 3,311,016,944,400/829,458
6. Step 6: Final answer
   x = 3,991,783.72