Finding the Third Proportional to 159,496 and 231,820

Step by Step Solution

1. Step 1: Write the proportion equation
   159,496 : 231,820 = 231,820 : x
2. Step 2: Convert to fraction form
   159,496/231,820 = 231,820/x
3. Step 3: Cross multiply
   159,496x = 231,820 × 231,820
4. Step 4: Simplify right side
   159,496x = 53,740,512,400
5. Step 5: Solve for x
   x = 53,740,512,400/159,496
6. Step 6: Final answer
   x = 336,939.56