Finding the Third Proportional to 74,180 and 111,906

Step by Step Solution

1. Step 1: Write the proportion equation
   74,180 : 111,906 = 111,906 : x
2. Step 2: Convert to fraction form
   74,180/111,906 = 111,906/x
3. Step 3: Cross multiply
   74,180x = 111,906 × 111,906
4. Step 4: Simplify right side
   74,180x = 12,522,952,836
5. Step 5: Solve for x
   x = 12,522,952,836/74,180
6. Step 6: Final answer
   x = 168,818.45