Finding the Third Proportional to 828,984 and 1,815,804

Step by Step Solution

1. Step 1: Write the proportion equation
   828,984 : 1,815,804 = 1,815,804 : x
2. Step 2: Convert to fraction form
   828,984/1,815,804 = 1,815,804/x
3. Step 3: Cross multiply
   828,984x = 1,815,804 × 1,815,804
4. Step 4: Simplify right side
   828,984x = 3,297,144,166,416
5. Step 5: Solve for x
   x = 3,297,144,166,416/828,984
6. Step 6: Final answer
   x = 3,977,331.49