Finding the Third Proportional to 69,630 and 150,345

Step by Step Solution

1. Step 1: Write the proportion equation
   69,630 : 150,345 = 150,345 : x
2. Step 2: Convert to fraction form
   69,630/150,345 = 150,345/x
3. Step 3: Cross multiply
   69,630x = 150,345 × 150,345
4. Step 4: Simplify right side
   69,630x = 22,603,619,025
5. Step 5: Solve for x
   x = 22,603,619,025/69,630
6. Step 6: Final answer
   x = 324,624.72