Finding the Third Proportional to 553,842 and 1,200,996

Step by Step Solution

1. Step 1: Write the proportion equation
   553,842 : 1,200,996 = 1,200,996 : x
2. Step 2: Convert to fraction form
   553,842/1,200,996 = 1,200,996/x
3. Step 3: Cross multiply
   553,842x = 1,200,996 × 1,200,996
4. Step 4: Simplify right side
   553,842x = 1,442,391,392,016
5. Step 5: Solve for x
   x = 1,442,391,392,016/553,842
6. Step 6: Final answer
   x = 2,604,337.32