Finding the Third Proportional to 74,120 and 111,192

Step by Step Solution

1. Step 1: Write the proportion equation
   74,120 : 111,192 = 111,192 : x
2. Step 2: Convert to fraction form
   74,120/111,192 = 111,192/x
3. Step 3: Cross multiply
   74,120x = 111,192 × 111,192
4. Step 4: Simplify right side
   74,120x = 12,363,660,864
5. Step 5: Solve for x
   x = 12,363,660,864/74,120
6. Step 6: Final answer
   x = 166,806.00