Finding the Third Proportional to 69,210 and 150,570

Step by Step Solution

1. Step 1: Write the proportion equation
   69,210 : 150,570 = 150,570 : x
2. Step 2: Convert to fraction form
   69,210/150,570 = 150,570/x
3. Step 3: Cross multiply
   69,210x = 150,570 × 150,570
4. Step 4: Simplify right side
   69,210x = 22,671,324,900
5. Step 5: Solve for x
   x = 22,671,324,900/69,210
6. Step 6: Final answer
   x = 327,572.96