Finding the Third Proportional to 333,924 and 720,456

Step by Step Solution

1. Step 1: Write the proportion equation
   333,924 : 720,456 = 720,456 : x
2. Step 2: Convert to fraction form
   333,924/720,456 = 720,456/x
3. Step 3: Cross multiply
   333,924x = 720,456 × 720,456
4. Step 4: Simplify right side
   333,924x = 519,056,847,936
5. Step 5: Solve for x
   x = 519,056,847,936/333,924
6. Step 6: Final answer
   x = 1,554,416.12