Finding the Third Proportional to 408,064 and 633,384

Step by Step Solution

1. Step 1: Write the proportion equation
   408,064 : 633,384 = 633,384 : x
2. Step 2: Convert to fraction form
   408,064/633,384 = 633,384/x
3. Step 3: Cross multiply
   408,064x = 633,384 × 633,384
4. Step 4: Simplify right side
   408,064x = 401,175,291,456
5. Step 5: Solve for x
   x = 401,175,291,456/408,064
6. Step 6: Final answer
   x = 983,118.56