Finding the Third Proportional to 158,136 and 231,613.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,136 : 231,613.50 = 231,613.50 : x
2. Step 2: Convert to fraction form
   158,136/231,613.50 = 231,613.50/x
3. Step 3: Cross multiply
   158,136x = 231,613.50 × 231,613.50
4. Step 4: Simplify right side
   158,136x = 53,644,813,382.25
5. Step 5: Solve for x
   x = 53,644,813,382.25/158,136
6. Step 6: Final answer
   x = 339,232.14