Finding the Third Proportional to 144,720 and 300,522

Step by Step Solution

1. Step 1: Write the proportion equation
   144,720 : 300,522 = 300,522 : x
2. Step 2: Convert to fraction form
   144,720/300,522 = 300,522/x
3. Step 3: Cross multiply
   144,720x = 300,522 × 300,522
4. Step 4: Simplify right side
   144,720x = 90,313,472,484
5. Step 5: Solve for x
   x = 90,313,472,484/144,720
6. Step 6: Final answer
   x = 624,056.61