Finding the Third Proportional to 728,276 and 1,491,536

Step by Step Solution

1. Step 1: Write the proportion equation
   728,276 : 1,491,536 = 1,491,536 : x
2. Step 2: Convert to fraction form
   728,276/1,491,536 = 1,491,536/x
3. Step 3: Cross multiply
   728,276x = 1,491,536 × 1,491,536
4. Step 4: Simplify right side
   728,276x = 2,224,679,639,296
5. Step 5: Solve for x
   x = 2,224,679,639,296/728,276
6. Step 6: Final answer
   x = 3,054,720.52