Finding the Third Proportional to 1,128,628 and 2,412,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,628 : 2,412,556 = 2,412,556 : x
2. Step 2: Convert to fraction form
   1,128,628/2,412,556 = 2,412,556/x
3. Step 3: Cross multiply
   1,128,628x = 2,412,556 × 2,412,556
4. Step 4: Simplify right side
   1,128,628x = 5,820,426,453,136
5. Step 5: Solve for x
   x = 5,820,426,453,136/1,128,628
6. Step 6: Final answer
   x = 5,157,081.39