Finding the Third Proportional to 70,640 and 150,892

Step by Step Solution

1. Step 1: Write the proportion equation
   70,640 : 150,892 = 150,892 : x
2. Step 2: Convert to fraction form
   70,640/150,892 = 150,892/x
3. Step 3: Cross multiply
   70,640x = 150,892 × 150,892
4. Step 4: Simplify right side
   70,640x = 22,768,395,664
5. Step 5: Solve for x
   x = 22,768,395,664/70,640
6. Step 6: Final answer
   x = 322,315.91