Finding the Third Proportional to 72,171 and 155,504.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,171 : 155,504.81 = 155,504.81 : x
2. Step 2: Convert to fraction form
   72,171/155,504.81 = 155,504.81/x
3. Step 3: Cross multiply
   72,171x = 155,504.81 × 155,504.81
4. Step 4: Simplify right side
   72,171x = 24,181,746,710.66
5. Step 5: Solve for x
   x = 24,181,746,710.66/72,171
6. Step 6: Final answer
   x = 335,061.82