Finding the Third Proportional to 829,457 and 1,819,618

Step by Step Solution

1. Step 1: Write the proportion equation
   829,457 : 1,819,618 = 1,819,618 : x
2. Step 2: Convert to fraction form
   829,457/1,819,618 = 1,819,618/x
3. Step 3: Cross multiply
   829,457x = 1,819,618 × 1,819,618
4. Step 4: Simplify right side
   829,457x = 3,311,009,665,924
5. Step 5: Solve for x
   x = 3,311,009,665,924/829,457
6. Step 6: Final answer
   x = 3,991,779.76