Finding the Third Proportional to 79,817 and 116,215

Step by Step Solution

1. Step 1: Write the proportion equation
   79,817 : 116,215 = 116,215 : x
2. Step 2: Convert to fraction form
   79,817/116,215 = 116,215/x
3. Step 3: Cross multiply
   79,817x = 116,215 × 116,215
4. Step 4: Simplify right side
   79,817x = 13,505,926,225
5. Step 5: Solve for x
   x = 13,505,926,225/79,817
6. Step 6: Final answer
   x = 169,211.15