Finding the Third Proportional to 79,818 and 116,217

Step by Step Solution

1. Step 1: Write the proportion equation
   79,818 : 116,217 = 116,217 : x
2. Step 2: Convert to fraction form
   79,818/116,217 = 116,217/x
3. Step 3: Cross multiply
   79,818x = 116,217 × 116,217
4. Step 4: Simplify right side
   79,818x = 13,506,391,089
5. Step 5: Solve for x
   x = 13,506,391,089/79,818
6. Step 6: Final answer
   x = 169,214.85