Finding the Third Proportional to 72,336 and 105,675

Step by Step Solution

1. Step 1: Write the proportion equation
   72,336 : 105,675 = 105,675 : x
2. Step 2: Convert to fraction form
   72,336/105,675 = 105,675/x
3. Step 3: Cross multiply
   72,336x = 105,675 × 105,675
4. Step 4: Simplify right side
   72,336x = 11,167,205,625
5. Step 5: Solve for x
   x = 11,167,205,625/72,336
6. Step 6: Final answer
   x = 154,379.64