Finding the Third Proportional to 552,603 and 825,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   552,603 : 825,493.50 = 825,493.50 : x
2. Step 2: Convert to fraction form
   552,603/825,493.50 = 825,493.50/x
3. Step 3: Cross multiply
   552,603x = 825,493.50 × 825,493.50
4. Step 4: Simplify right side
   552,603x = 681,439,518,542.25
5. Step 5: Solve for x
   x = 681,439,518,542.25/552,603
6. Step 6: Final answer
   x = 1,233,144.80