Finding the Third Proportional to 144,695.50 and 300,479

Step by Step Solution

1. Step 1: Write the proportion equation
   144,695.50 : 300,479 = 300,479 : x
2. Step 2: Convert to fraction form
   144,695.50/300,479 = 300,479/x
3. Step 3: Cross multiply
   144,695.50x = 300,479 × 300,479
4. Step 4: Simplify right side
   144,695.50x = 90,287,629,441
5. Step 5: Solve for x
   x = 90,287,629,441/144,695.50
6. Step 6: Final answer
   x = 623,983.67