Finding the Third Proportional to 815,346 and 1,729,364

Step by Step Solution

1. Step 1: Write the proportion equation
   815,346 : 1,729,364 = 1,729,364 : x
2. Step 2: Convert to fraction form
   815,346/1,729,364 = 1,729,364/x
3. Step 3: Cross multiply
   815,346x = 1,729,364 × 1,729,364
4. Step 4: Simplify right side
   815,346x = 2,990,699,844,496
5. Step 5: Solve for x
   x = 2,990,699,844,496/815,346
6. Step 6: Final answer
   x = 3,668,013.14