Finding the Third Proportional to 1,137,558 and 2,489,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,558 : 2,489,388 = 2,489,388 : x
2. Step 2: Convert to fraction form
   1,137,558/2,489,388 = 2,489,388/x
3. Step 3: Cross multiply
   1,137,558x = 2,489,388 × 2,489,388
4. Step 4: Simplify right side
   1,137,558x = 6,197,052,614,544
5. Step 5: Solve for x
   x = 6,197,052,614,544/1,137,558
6. Step 6: Final answer
   x = 5,447,680.57