Finding the Third Proportional to 1,189,604 and 1,842,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189,604 : 1,842,636 = 1,842,636 : x
2. Step 2: Convert to fraction form
   1,189,604/1,842,636 = 1,842,636/x
3. Step 3: Cross multiply
   1,189,604x = 1,842,636 × 1,842,636
4. Step 4: Simplify right side
   1,189,604x = 3,395,307,428,496
5. Step 5: Solve for x
   x = 3,395,307,428,496/1,189,604
6. Step 6: Final answer
   x = 2,854,149.30