Finding the Third Proportional to 552,554 and 825,422

Step by Step Solution

1. Step 1: Write the proportion equation
   552,554 : 825,422 = 825,422 : x
2. Step 2: Convert to fraction form
   552,554/825,422 = 825,422/x
3. Step 3: Cross multiply
   552,554x = 825,422 × 825,422
4. Step 4: Simplify right side
   552,554x = 681,321,478,084
5. Step 5: Solve for x
   x = 681,321,478,084/552,554
6. Step 6: Final answer
   x = 1,233,040.53