Finding the Third Proportional to 552,666 and 1,221,504

Step by Step Solution

1. Step 1: Write the proportion equation
   552,666 : 1,221,504 = 1,221,504 : x
2. Step 2: Convert to fraction form
   552,666/1,221,504 = 1,221,504/x
3. Step 3: Cross multiply
   552,666x = 1,221,504 × 1,221,504
4. Step 4: Simplify right side
   552,666x = 1,492,072,022,016
5. Step 5: Solve for x
   x = 1,492,072,022,016/552,666
6. Step 6: Final answer
   x = 2,699,771.69