Finding the Third Proportional to 552,707 and 1,189,978

Step by Step Solution

1. Step 1: Write the proportion equation
   552,707 : 1,189,978 = 1,189,978 : x
2. Step 2: Convert to fraction form
   552,707/1,189,978 = 1,189,978/x
3. Step 3: Cross multiply
   552,707x = 1,189,978 × 1,189,978
4. Step 4: Simplify right side
   552,707x = 1,416,047,640,484
5. Step 5: Solve for x
   x = 1,416,047,640,484/552,707
6. Step 6: Final answer
   x = 2,562,022.27