Finding the Third Proportional to 1,447,728 and 2,254,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,728 : 2,254,320 = 2,254,320 : x
2. Step 2: Convert to fraction form
   1,447,728/2,254,320 = 2,254,320/x
3. Step 3: Cross multiply
   1,447,728x = 2,254,320 × 2,254,320
4. Step 4: Simplify right side
   1,447,728x = 5,081,958,662,400
5. Step 5: Solve for x
   x = 5,081,958,662,400/1,447,728
6. Step 6: Final answer
   x = 3,510,299.35