Finding the Third Proportional to 81,936 and 173,472

Step by Step Solution

1. Step 1: Write the proportion equation
   81,936 : 173,472 = 173,472 : x
2. Step 2: Convert to fraction form
   81,936/173,472 = 173,472/x
3. Step 3: Cross multiply
   81,936x = 173,472 × 173,472
4. Step 4: Simplify right side
   81,936x = 30,092,534,784
5. Step 5: Solve for x
   x = 30,092,534,784/81,936
6. Step 6: Final answer
   x = 367,268.78