Finding the Third Proportional to 144,696 and 300,480

Step by Step Solution

1. Step 1: Write the proportion equation
   144,696 : 300,480 = 300,480 : x
2. Step 2: Convert to fraction form
   144,696/300,480 = 300,480/x
3. Step 3: Cross multiply
   144,696x = 300,480 × 300,480
4. Step 4: Simplify right side
   144,696x = 90,288,230,400
5. Step 5: Solve for x
   x = 90,288,230,400/144,696
6. Step 6: Final answer
   x = 623,985.67