Finding the Third Proportional to 333,678 and 719,848

Step by Step Solution

1. Step 1: Write the proportion equation
   333,678 : 719,848 = 719,848 : x
2. Step 2: Convert to fraction form
   333,678/719,848 = 719,848/x
3. Step 3: Cross multiply
   333,678x = 719,848 × 719,848
4. Step 4: Simplify right side
   333,678x = 518,181,143,104
5. Step 5: Solve for x
   x = 518,181,143,104/333,678
6. Step 6: Final answer
   x = 1,552,937.69