Finding the Third Proportional to 361,896 and 773,628

Step by Step Solution

1. Step 1: Write the proportion equation
   361,896 : 773,628 = 773,628 : x
2. Step 2: Convert to fraction form
   361,896/773,628 = 773,628/x
3. Step 3: Cross multiply
   361,896x = 773,628 × 773,628
4. Step 4: Simplify right side
   361,896x = 598,500,282,384
5. Step 5: Solve for x
   x = 598,500,282,384/361,896
6. Step 6: Final answer
   x = 1,653,790.82