Finding the Third Proportional to 699,978 and 1,082,778

Step by Step Solution

1. Step 1: Write the proportion equation
   699,978 : 1,082,778 = 1,082,778 : x
2. Step 2: Convert to fraction form
   699,978/1,082,778 = 1,082,778/x
3. Step 3: Cross multiply
   699,978x = 1,082,778 × 1,082,778
4. Step 4: Simplify right side
   699,978x = 1,172,408,197,284
5. Step 5: Solve for x
   x = 1,172,408,197,284/699,978
6. Step 6: Final answer
   x = 1,674,921.49