Finding the Third Proportional to 159,780 and 230,166

Step by Step Solution

1. Step 1: Write the proportion equation
   159,780 : 230,166 = 230,166 : x
2. Step 2: Convert to fraction form
   159,780/230,166 = 230,166/x
3. Step 3: Cross multiply
   159,780x = 230,166 × 230,166
4. Step 4: Simplify right side
   159,780x = 52,976,387,556
5. Step 5: Solve for x
   x = 52,976,387,556/159,780
6. Step 6: Final answer
   x = 331,558.31