Finding the Third Proportional to 829,612 and 1,819,928

Step by Step Solution

1. Step 1: Write the proportion equation
   829,612 : 1,819,928 = 1,819,928 : x
2. Step 2: Convert to fraction form
   829,612/1,819,928 = 1,819,928/x
3. Step 3: Cross multiply
   829,612x = 1,819,928 × 1,819,928
4. Step 4: Simplify right side
   829,612x = 3,312,137,925,184
5. Step 5: Solve for x
   x = 3,312,137,925,184/829,612
6. Step 6: Final answer
   x = 3,992,393.94