Finding the Third Proportional to 74,400 and 111,656

Step by Step Solution

1. Step 1: Write the proportion equation
   74,400 : 111,656 = 111,656 : x
2. Step 2: Convert to fraction form
   74,400/111,656 = 111,656/x
3. Step 3: Cross multiply
   74,400x = 111,656 × 111,656
4. Step 4: Simplify right side
   74,400x = 12,467,062,336
5. Step 5: Solve for x
   x = 12,467,062,336/74,400
6. Step 6: Final answer
   x = 167,568.04