Finding the Third Proportional to 144,121 and 229,012

Step by Step Solution

1. Step 1: Write the proportion equation
   144,121 : 229,012 = 229,012 : x
2. Step 2: Convert to fraction form
   144,121/229,012 = 229,012/x
3. Step 3: Cross multiply
   144,121x = 229,012 × 229,012
4. Step 4: Simplify right side
   144,121x = 52,446,496,144
5. Step 5: Solve for x
   x = 52,446,496,144/144,121
6. Step 6: Final answer
   x = 363,906.00