Finding the Third Proportional to 1,112,128 and 2,381,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,128 : 2,381,728 = 2,381,728 : x
2. Step 2: Convert to fraction form
   1,112,128/2,381,728 = 2,381,728/x
3. Step 3: Cross multiply
   1,112,128x = 2,381,728 × 2,381,728
4. Step 4: Simplify right side
   1,112,128x = 5,672,628,265,984
5. Step 5: Solve for x
   x = 5,672,628,265,984/1,112,128
6. Step 6: Final answer
   x = 5,100,697.28