Finding the Third Proportional to 68,510 and 150,112

Step by Step Solution

1. Step 1: Write the proportion equation
   68,510 : 150,112 = 150,112 : x
2. Step 2: Convert to fraction form
   68,510/150,112 = 150,112/x
3. Step 3: Cross multiply
   68,510x = 150,112 × 150,112
4. Step 4: Simplify right side
   68,510x = 22,533,612,544
5. Step 5: Solve for x
   x = 22,533,612,544/68,510
6. Step 6: Final answer
   x = 328,909.83