Finding the Third Proportional to 728,246 and 1,485,402

Step by Step Solution

1. Step 1: Write the proportion equation
   728,246 : 1,485,402 = 1,485,402 : x
2. Step 2: Convert to fraction form
   728,246/1,485,402 = 1,485,402/x
3. Step 3: Cross multiply
   728,246x = 1,485,402 × 1,485,402
4. Step 4: Simplify right side
   728,246x = 2,206,419,101,604
5. Step 5: Solve for x
   x = 2,206,419,101,604/728,246
6. Step 6: Final answer
   x = 3,029,771.67