Finding the Third Proportional to 83,776.50 and 131,136.75

Step by Step Solution

1. Step 1: Write the proportion equation
   83,776.50 : 131,136.75 = 131,136.75 : x
2. Step 2: Convert to fraction form
   83,776.50/131,136.75 = 131,136.75/x
3. Step 3: Cross multiply
   83,776.50x = 131,136.75 × 131,136.75
4. Step 4: Simplify right side
   83,776.50x = 17,196,847,200.56
5. Step 5: Solve for x
   x = 17,196,847,200.56/83,776.50
6. Step 6: Final answer
   x = 205,270.54