Finding the Third Proportional to 144,990 and 294,054

Step by Step Solution

1. Step 1: Write the proportion equation
   144,990 : 294,054 = 294,054 : x
2. Step 2: Convert to fraction form
   144,990/294,054 = 294,054/x
3. Step 3: Cross multiply
   144,990x = 294,054 × 294,054
4. Step 4: Simplify right side
   144,990x = 86,467,754,916
5. Step 5: Solve for x
   x = 86,467,754,916/144,990
6. Step 6: Final answer
   x = 596,370.47