Finding the Third Proportional to 158,632 and 231,980

Step by Step Solution

1. Step 1: Write the proportion equation
   158,632 : 231,980 = 231,980 : x
2. Step 2: Convert to fraction form
   158,632/231,980 = 231,980/x
3. Step 3: Cross multiply
   158,632x = 231,980 × 231,980
4. Step 4: Simplify right side
   158,632x = 53,814,720,400
5. Step 5: Solve for x
   x = 53,814,720,400/158,632
6. Step 6: Final answer
   x = 339,242.53