Finding the Third Proportional to 819,451 and 1,788,338

Step by Step Solution

1. Step 1: Write the proportion equation
   819,451 : 1,788,338 = 1,788,338 : x
2. Step 2: Convert to fraction form
   819,451/1,788,338 = 1,788,338/x
3. Step 3: Cross multiply
   819,451x = 1,788,338 × 1,788,338
4. Step 4: Simplify right side
   819,451x = 3,198,152,802,244
5. Step 5: Solve for x
   x = 3,198,152,802,244/819,451
6. Step 6: Final answer
   x = 3,902,799.32