Finding the Third Proportional to 72,270 and 158,148

Step by Step Solution

1. Step 1: Write the proportion equation
   72,270 : 158,148 = 158,148 : x
2. Step 2: Convert to fraction form
   72,270/158,148 = 158,148/x
3. Step 3: Cross multiply
   72,270x = 158,148 × 158,148
4. Step 4: Simplify right side
   72,270x = 25,010,789,904
5. Step 5: Solve for x
   x = 25,010,789,904/72,270
6. Step 6: Final answer
   x = 346,074.30