Finding the Third Proportional to 79,486 and 111,416

Step by Step Solution

1. Step 1: Write the proportion equation
   79,486 : 111,416 = 111,416 : x
2. Step 2: Convert to fraction form
   79,486/111,416 = 111,416/x
3. Step 3: Cross multiply
   79,486x = 111,416 × 111,416
4. Step 4: Simplify right side
   79,486x = 12,413,525,056
5. Step 5: Solve for x
   x = 12,413,525,056/79,486
6. Step 6: Final answer
   x = 156,172.47