Finding the Third Proportional to 807,820 and 1,699,208

Step by Step Solution

1. Step 1: Write the proportion equation
   807,820 : 1,699,208 = 1,699,208 : x
2. Step 2: Convert to fraction form
   807,820/1,699,208 = 1,699,208/x
3. Step 3: Cross multiply
   807,820x = 1,699,208 × 1,699,208
4. Step 4: Simplify right side
   807,820x = 2,887,307,827,264
5. Step 5: Solve for x
   x = 2,887,307,827,264/807,820
6. Step 6: Final answer
   x = 3,574,197.01