Finding the Third Proportional to 131,584.50 and 204,120

Step by Step Solution

1. Step 1: Write the proportion equation
   131,584.50 : 204,120 = 204,120 : x
2. Step 2: Convert to fraction form
   131,584.50/204,120 = 204,120/x
3. Step 3: Cross multiply
   131,584.50x = 204,120 × 204,120
4. Step 4: Simplify right side
   131,584.50x = 41,664,974,400
5. Step 5: Solve for x
   x = 41,664,974,400/131,584.50
6. Step 6: Final answer
   x = 316,640.44