Finding the Third Proportional to 158,158.50 and 231,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,158.50 : 231,667.50 = 231,667.50 : x
2. Step 2: Convert to fraction form
   158,158.50/231,667.50 = 231,667.50/x
3. Step 3: Cross multiply
   158,158.50x = 231,667.50 × 231,667.50
4. Step 4: Simplify right side
   158,158.50x = 53,669,830,556.25
5. Step 5: Solve for x
   x = 53,669,830,556.25/158,158.50
6. Step 6: Final answer
   x = 339,342.06