Finding the Third Proportional to 78,914 and 111,000

Step by Step Solution

1. Step 1: Write the proportion equation
   78,914 : 111,000 = 111,000 : x
2. Step 2: Convert to fraction form
   78,914/111,000 = 111,000/x
3. Step 3: Cross multiply
   78,914x = 111,000 × 111,000
4. Step 4: Simplify right side
   78,914x = 12,321,000,000
5. Step 5: Solve for x
   x = 12,321,000,000/78,914
6. Step 6: Final answer
   x = 156,131.99