Finding the Third Proportional to 67,215.50 and 103,173

Step by Step Solution

1. Step 1: Write the proportion equation
   67,215.50 : 103,173 = 103,173 : x
2. Step 2: Convert to fraction form
   67,215.50/103,173 = 103,173/x
3. Step 3: Cross multiply
   67,215.50x = 103,173 × 103,173
4. Step 4: Simplify right side
   67,215.50x = 10,644,667,929
5. Step 5: Solve for x
   x = 10,644,667,929/67,215.50
6. Step 6: Final answer
   x = 158,366.27