Finding the Third Proportional to 34,086 and 72,330

Step by Step Solution

1. Step 1: Write the proportion equation
   34,086 : 72,330 = 72,330 : x
2. Step 2: Convert to fraction form
   34,086/72,330 = 72,330/x
3. Step 3: Cross multiply
   34,086x = 72,330 × 72,330
4. Step 4: Simplify right side
   34,086x = 5,231,628,900
5. Step 5: Solve for x
   x = 5,231,628,900/34,086
6. Step 6: Final answer
   x = 153,483.22