Finding the Third Proportional to 1,128,636 and 2,412,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,636 : 2,412,576 = 2,412,576 : x
2. Step 2: Convert to fraction form
   1,128,636/2,412,576 = 2,412,576/x
3. Step 3: Cross multiply
   1,128,636x = 2,412,576 × 2,412,576
4. Step 4: Simplify right side
   1,128,636x = 5,820,522,955,776
5. Step 5: Solve for x
   x = 5,820,522,955,776/1,128,636
6. Step 6: Final answer
   x = 5,157,130.34