Finding the Third Proportional to 74,388 and 111,582

Step by Step Solution

1. Step 1: Write the proportion equation
   74,388 : 111,582 = 111,582 : x
2. Step 2: Convert to fraction form
   74,388/111,582 = 111,582/x
3. Step 3: Cross multiply
   74,388x = 111,582 × 111,582
4. Step 4: Simplify right side
   74,388x = 12,450,542,724
5. Step 5: Solve for x
   x = 12,450,542,724/74,388
6. Step 6: Final answer
   x = 167,373