Finding the Third Proportional to 539,388 and 1,182,456

Step by Step Solution

1. Step 1: Write the proportion equation
   539,388 : 1,182,456 = 1,182,456 : x
2. Step 2: Convert to fraction form
   539,388/1,182,456 = 1,182,456/x
3. Step 3: Cross multiply
   539,388x = 1,182,456 × 1,182,456
4. Step 4: Simplify right side
   539,388x = 1,398,202,191,936
5. Step 5: Solve for x
   x = 1,398,202,191,936/539,388
6. Step 6: Final answer
   x = 2,592,201.15