Finding the Third Proportional to 79,840 and 111,012

Step by Step Solution

1. Step 1: Write the proportion equation
   79,840 : 111,012 = 111,012 : x
2. Step 2: Convert to fraction form
   79,840/111,012 = 111,012/x
3. Step 3: Cross multiply
   79,840x = 111,012 × 111,012
4. Step 4: Simplify right side
   79,840x = 12,323,664,144
5. Step 5: Solve for x
   x = 12,323,664,144/79,840
6. Step 6: Final answer
   x = 154,354.51