Finding the Third Proportional to 159,932 and 342,009

Step by Step Solution

1. Step 1: Write the proportion equation
   159,932 : 342,009 = 342,009 : x
2. Step 2: Convert to fraction form
   159,932/342,009 = 342,009/x
3. Step 3: Cross multiply
   159,932x = 342,009 × 342,009
4. Step 4: Simplify right side
   159,932x = 116,970,156,081
5. Step 5: Solve for x
   x = 116,970,156,081/159,932
6. Step 6: Final answer
   x = 731,374.31