Finding the Third Proportional to 144,423 and 301,968

Step by Step Solution

1. Step 1: Write the proportion equation
   144,423 : 301,968 = 301,968 : x
2. Step 2: Convert to fraction form
   144,423/301,968 = 301,968/x
3. Step 3: Cross multiply
   144,423x = 301,968 × 301,968
4. Step 4: Simplify right side
   144,423x = 91,184,673,024
5. Step 5: Solve for x
   x = 91,184,673,024/144,423
6. Step 6: Final answer
   x = 631,372.24