Finding the Third Proportional to 334,476 and 720,144

Step by Step Solution

1. Step 1: Write the proportion equation
   334,476 : 720,144 = 720,144 : x
2. Step 2: Convert to fraction form
   334,476/720,144 = 720,144/x
3. Step 3: Cross multiply
   334,476x = 720,144 × 720,144
4. Step 4: Simplify right side
   334,476x = 518,607,380,736
5. Step 5: Solve for x
   x = 518,607,380,736/334,476
6. Step 6: Final answer
   x = 1,550,507.00