Finding the Third Proportional to 72,928 and 104,286

Step by Step Solution

1. Step 1: Write the proportion equation
   72,928 : 104,286 = 104,286 : x
2. Step 2: Convert to fraction form
   72,928/104,286 = 104,286/x
3. Step 3: Cross multiply
   72,928x = 104,286 × 104,286
4. Step 4: Simplify right side
   72,928x = 10,875,569,796
5. Step 5: Solve for x
   x = 10,875,569,796/72,928
6. Step 6: Final answer
   x = 149,127.49