Finding the Third Proportional to 728,264 and 1,491,512

Step by Step Solution

1. Step 1: Write the proportion equation
   728,264 : 1,491,512 = 1,491,512 : x
2. Step 2: Convert to fraction form
   728,264/1,491,512 = 1,491,512/x
3. Step 3: Cross multiply
   728,264x = 1,491,512 × 1,491,512
4. Step 4: Simplify right side
   728,264x = 2,224,608,046,144
5. Step 5: Solve for x
   x = 2,224,608,046,144/728,264
6. Step 6: Final answer
   x = 3,054,672.54