Finding the Third Proportional to 1,145,120 and 2,487,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,120 : 2,487,556 = 2,487,556 : x
2. Step 2: Convert to fraction form
   1,145,120/2,487,556 = 2,487,556/x
3. Step 3: Cross multiply
   1,145,120x = 2,487,556 × 2,487,556
4. Step 4: Simplify right side
   1,145,120x = 6,187,934,853,136
5. Step 5: Solve for x
   x = 6,187,934,853,136/1,145,120
6. Step 6: Final answer
   x = 5,403,743.58