Finding the Third Proportional to 79,190 and 164,910

Step by Step Solution

1. Step 1: Write the proportion equation
   79,190 : 164,910 = 164,910 : x
2. Step 2: Convert to fraction form
   79,190/164,910 = 164,910/x
3. Step 3: Cross multiply
   79,190x = 164,910 × 164,910
4. Step 4: Simplify right side
   79,190x = 27,195,308,100
5. Step 5: Solve for x
   x = 27,195,308,100/79,190
6. Step 6: Final answer
   x = 343,418.46