Finding the Third Proportional to 519,860 and 1,137,556

Step by Step Solution

1. Step 1: Write the proportion equation
   519,860 : 1,137,556 = 1,137,556 : x
2. Step 2: Convert to fraction form
   519,860/1,137,556 = 1,137,556/x
3. Step 3: Cross multiply
   519,860x = 1,137,556 × 1,137,556
4. Step 4: Simplify right side
   519,860x = 1,294,033,653,136
5. Step 5: Solve for x
   x = 1,294,033,653,136/519,860
6. Step 6: Final answer
   x = 2,489,196.42