Finding the Third Proportional to 144,112 and 218,152

Step by Step Solution

1. Step 1: Write the proportion equation
   144,112 : 218,152 = 218,152 : x
2. Step 2: Convert to fraction form
   144,112/218,152 = 218,152/x
3. Step 3: Cross multiply
   144,112x = 218,152 × 218,152
4. Step 4: Simplify right side
   144,112x = 47,590,295,104
5. Step 5: Solve for x
   x = 47,590,295,104/144,112
6. Step 6: Final answer
   x = 330,231.31