Finding the Third Proportional to 552,978 and 1,204,290

Step by Step Solution

1. Step 1: Write the proportion equation
   552,978 : 1,204,290 = 1,204,290 : x
2. Step 2: Convert to fraction form
   552,978/1,204,290 = 1,204,290/x
3. Step 3: Cross multiply
   552,978x = 1,204,290 × 1,204,290
4. Step 4: Simplify right side
   552,978x = 1,450,314,404,100
5. Step 5: Solve for x
   x = 1,450,314,404,100/552,978
6. Step 6: Final answer
   x = 2,622,734.37