Finding the Third Proportional to 728,433 and 1,485,783

Step by Step Solution

1. Step 1: Write the proportion equation
   728,433 : 1,485,783 = 1,485,783 : x
2. Step 2: Convert to fraction form
   728,433/1,485,783 = 1,485,783/x
3. Step 3: Cross multiply
   728,433x = 1,485,783 × 1,485,783
4. Step 4: Simplify right side
   728,433x = 2,207,551,123,089
5. Step 5: Solve for x
   x = 2,207,551,123,089/728,433
6. Step 6: Final answer
   x = 3,030,547.93