Finding the Third Proportional to 728,455 and 1,584,506

Step by Step Solution

1. Step 1: Write the proportion equation
   728,455 : 1,584,506 = 1,584,506 : x
2. Step 2: Convert to fraction form
   728,455/1,584,506 = 1,584,506/x
3. Step 3: Cross multiply
   728,455x = 1,584,506 × 1,584,506
4. Step 4: Simplify right side
   728,455x = 2,510,659,264,036
5. Step 5: Solve for x
   x = 2,510,659,264,036/728,455
6. Step 6: Final answer
   x = 3,446,553.68