Finding the Third Proportional to 20,136.75 and 43,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,136.75 : 43,189.50 = 43,189.50 : x
2. Step 2: Convert to fraction form
   20,136.75/43,189.50 = 43,189.50/x
3. Step 3: Cross multiply
   20,136.75x = 43,189.50 × 43,189.50
4. Step 4: Simplify right side
   20,136.75x = 1,865,332,910.25
5. Step 5: Solve for x
   x = 1,865,332,910.25/20,136.75
6. Step 6: Final answer
   x = 92,633.27