Finding the Third Proportional to 372,684 and 804,384

Step by Step Solution

1. Step 1: Write the proportion equation
   372,684 : 804,384 = 804,384 : x
2. Step 2: Convert to fraction form
   372,684/804,384 = 804,384/x
3. Step 3: Cross multiply
   372,684x = 804,384 × 804,384
4. Step 4: Simplify right side
   372,684x = 647,033,619,456
5. Step 5: Solve for x
   x = 647,033,619,456/372,684
6. Step 6: Final answer
   x = 1,736,145.42