Finding the Third Proportional to 807,678 and 1,699,062

Step by Step Solution

1. Step 1: Write the proportion equation
   807,678 : 1,699,062 = 1,699,062 : x
2. Step 2: Convert to fraction form
   807,678/1,699,062 = 1,699,062/x
3. Step 3: Cross multiply
   807,678x = 1,699,062 × 1,699,062
4. Step 4: Simplify right side
   807,678x = 2,886,811,679,844
5. Step 5: Solve for x
   x = 2,886,811,679,844/807,678
6. Step 6: Final answer
   x = 3,574,211.11