Finding the Third Proportional to 552,384 and 1,189,328

Step by Step Solution

1. Step 1: Write the proportion equation
   552,384 : 1,189,328 = 1,189,328 : x
2. Step 2: Convert to fraction form
   552,384/1,189,328 = 1,189,328/x
3. Step 3: Cross multiply
   552,384x = 1,189,328 × 1,189,328
4. Step 4: Simplify right side
   552,384x = 1,414,501,091,584
5. Step 5: Solve for x
   x = 1,414,501,091,584/552,384
6. Step 6: Final answer
   x = 2,560,720.61