Finding the Third Proportional to 86,848 and 168,910

Step by Step Solution

1. Step 1: Write the proportion equation
   86,848 : 168,910 = 168,910 : x
2. Step 2: Convert to fraction form
   86,848/168,910 = 168,910/x
3. Step 3: Cross multiply
   86,848x = 168,910 × 168,910
4. Step 4: Simplify right side
   86,848x = 28,530,588,100
5. Step 5: Solve for x
   x = 28,530,588,100/86,848
6. Step 6: Final answer
   x = 328,511.75