Finding the Third Proportional to 807,822 and 1,699,212

Step by Step Solution

1. Step 1: Write the proportion equation
   807,822 : 1,699,212 = 1,699,212 : x
2. Step 2: Convert to fraction form
   807,822/1,699,212 = 1,699,212/x
3. Step 3: Cross multiply
   807,822x = 1,699,212 × 1,699,212
4. Step 4: Simplify right side
   807,822x = 2,887,321,420,944
5. Step 5: Solve for x
   x = 2,887,321,420,944/807,822
6. Step 6: Final answer
   x = 3,574,204.99