Finding the Third Proportional to 72,936 and 158,403

Step by Step Solution

1. Step 1: Write the proportion equation
   72,936 : 158,403 = 158,403 : x
2. Step 2: Convert to fraction form
   72,936/158,403 = 158,403/x
3. Step 3: Cross multiply
   72,936x = 158,403 × 158,403
4. Step 4: Simplify right side
   72,936x = 25,091,510,409
5. Step 5: Solve for x
   x = 25,091,510,409/72,936
6. Step 6: Final answer
   x = 344,020.93