Finding the Third Proportional to 539,880 and 1,181,456

Step by Step Solution

1. Step 1: Write the proportion equation
   539,880 : 1,181,456 = 1,181,456 : x
2. Step 2: Convert to fraction form
   539,880/1,181,456 = 1,181,456/x
3. Step 3: Cross multiply
   539,880x = 1,181,456 × 1,181,456
4. Step 4: Simplify right side
   539,880x = 1,395,838,279,936
5. Step 5: Solve for x
   x = 1,395,838,279,936/539,880
6. Step 6: Final answer
   x = 2,585,460.25