Finding the Third Proportional to 505,608 and 1,081,200

Step by Step Solution

1. Step 1: Write the proportion equation
   505,608 : 1,081,200 = 1,081,200 : x
2. Step 2: Convert to fraction form
   505,608/1,081,200 = 1,081,200/x
3. Step 3: Cross multiply
   505,608x = 1,081,200 × 1,081,200
4. Step 4: Simplify right side
   505,608x = 1,168,993,440,000
5. Step 5: Solve for x
   x = 1,168,993,440,000/505,608
6. Step 6: Final answer
   x = 2,312,054.87