Finding the Third Proportional to 79,840 and 111,010

Step by Step Solution

1. Step 1: Write the proportion equation
   79,840 : 111,010 = 111,010 : x
2. Step 2: Convert to fraction form
   79,840/111,010 = 111,010/x
3. Step 3: Cross multiply
   79,840x = 111,010 × 111,010
4. Step 4: Simplify right side
   79,840x = 12,323,220,100
5. Step 5: Solve for x
   x = 12,323,220,100/79,840
6. Step 6: Final answer
   x = 154,348.95