Finding the Third Proportional to 815,570 and 1,842,648

Step by Step Solution

1. Step 1: Write the proportion equation
   815,570 : 1,842,648 = 1,842,648 : x
2. Step 2: Convert to fraction form
   815,570/1,842,648 = 1,842,648/x
3. Step 3: Cross multiply
   815,570x = 1,842,648 × 1,842,648
4. Step 4: Simplify right side
   815,570x = 3,395,351,651,904
5. Step 5: Solve for x
   x = 3,395,351,651,904/815,570
6. Step 6: Final answer
   x = 4,163,163.99