Finding the Third Proportional to 69,240 and 150,630

Step by Step Solution

1. Step 1: Write the proportion equation
   69,240 : 150,630 = 150,630 : x
2. Step 2: Convert to fraction form
   69,240/150,630 = 150,630/x
3. Step 3: Cross multiply
   69,240x = 150,630 × 150,630
4. Step 4: Simplify right side
   69,240x = 22,689,396,900
5. Step 5: Solve for x
   x = 22,689,396,900/69,240
6. Step 6: Final answer
   x = 327,692.04