Finding the Third Proportional to 143,368 and 222,444

Step by Step Solution

1. Step 1: Write the proportion equation
   143,368 : 222,444 = 222,444 : x
2. Step 2: Convert to fraction form
   143,368/222,444 = 222,444/x
3. Step 3: Cross multiply
   143,368x = 222,444 × 222,444
4. Step 4: Simplify right side
   143,368x = 49,481,333,136
5. Step 5: Solve for x
   x = 49,481,333,136/143,368
6. Step 6: Final answer
   x = 345,135.13