Finding the Third Proportional to 70,122 and 150,210

Step by Step Solution

1. Step 1: Write the proportion equation
   70,122 : 150,210 = 150,210 : x
2. Step 2: Convert to fraction form
   70,122/150,210 = 150,210/x
3. Step 3: Cross multiply
   70,122x = 150,210 × 150,210
4. Step 4: Simplify right side
   70,122x = 22,563,044,100
5. Step 5: Solve for x
   x = 22,563,044,100/70,122
6. Step 6: Final answer
   x = 321,768.41