Finding the Third Proportional to 70,388 and 111,450

Step by Step Solution

1. Step 1: Write the proportion equation
   70,388 : 111,450 = 111,450 : x
2. Step 2: Convert to fraction form
   70,388/111,450 = 111,450/x
3. Step 3: Cross multiply
   70,388x = 111,450 × 111,450
4. Step 4: Simplify right side
   70,388x = 12,421,102,500
5. Step 5: Solve for x
   x = 12,421,102,500/70,388
6. Step 6: Final answer
   x = 176,466.19