Finding the Third Proportional to 539,940 and 1,181,580

Step by Step Solution

1. Step 1: Write the proportion equation
   539,940 : 1,181,580 = 1,181,580 : x
2. Step 2: Convert to fraction form
   539,940/1,181,580 = 1,181,580/x
3. Step 3: Cross multiply
   539,940x = 1,181,580 × 1,181,580
4. Step 4: Simplify right side
   539,940x = 1,396,131,296,400
5. Step 5: Solve for x
   x = 1,396,131,296,400/539,940
6. Step 6: Final answer
   x = 2,585,715.63