Finding the Third Proportional to 67,708 and 103,072

Step by Step Solution

1. Step 1: Write the proportion equation
   67,708 : 103,072 = 103,072 : x
2. Step 2: Convert to fraction form
   67,708/103,072 = 103,072/x
3. Step 3: Cross multiply
   67,708x = 103,072 × 103,072
4. Step 4: Simplify right side
   67,708x = 10,623,837,184
5. Step 5: Solve for x
   x = 10,623,837,184/67,708
6. Step 6: Final answer
   x = 156,906.68