Finding the Third Proportional to 162,919.50 and 345,504

Step by Step Solution

1. Step 1: Write the proportion equation
   162,919.50 : 345,504 = 345,504 : x
2. Step 2: Convert to fraction form
   162,919.50/345,504 = 345,504/x
3. Step 3: Cross multiply
   162,919.50x = 345,504 × 345,504
4. Step 4: Simplify right side
   162,919.50x = 119,373,014,016
5. Step 5: Solve for x
   x = 119,373,014,016/162,919.50
6. Step 6: Final answer
   x = 732,711.64