Finding the Third Proportional to 74,436 and 111,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,436 : 111,667.50 = 111,667.50 : x
2. Step 2: Convert to fraction form
   74,436/111,667.50 = 111,667.50/x
3. Step 3: Cross multiply
   74,436x = 111,667.50 × 111,667.50
4. Step 4: Simplify right side
   74,436x = 12,469,630,556.25
5. Step 5: Solve for x
   x = 12,469,630,556.25/74,436
6. Step 6: Final answer
   x = 167,521.50