Finding the Third Proportional to 159,787 and 342,018

Step by Step Solution

1. Step 1: Write the proportion equation
   159,787 : 342,018 = 342,018 : x
2. Step 2: Convert to fraction form
   159,787/342,018 = 342,018/x
3. Step 3: Cross multiply
   159,787x = 342,018 × 342,018
4. Step 4: Simplify right side
   159,787x = 116,976,312,324
5. Step 5: Solve for x
   x = 116,976,312,324/159,787
6. Step 6: Final answer
   x = 732,076.53