Finding the Third Proportional to 79,482 and 111,400

Step by Step Solution

1. Step 1: Write the proportion equation
   79,482 : 111,400 = 111,400 : x
2. Step 2: Convert to fraction form
   79,482/111,400 = 111,400/x
3. Step 3: Cross multiply
   79,482x = 111,400 × 111,400
4. Step 4: Simplify right side
   79,482x = 12,409,960,000
5. Step 5: Solve for x
   x = 12,409,960,000/79,482
6. Step 6: Final answer
   x = 156,135.48