Finding the Third Proportional to 131,373 and 203,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,373 : 203,806.50 = 203,806.50 : x
2. Step 2: Convert to fraction form
   131,373/203,806.50 = 203,806.50/x
3. Step 3: Cross multiply
   131,373x = 203,806.50 × 203,806.50
4. Step 4: Simplify right side
   131,373x = 41,537,089,442.25
5. Step 5: Solve for x
   x = 41,537,089,442.25/131,373
6. Step 6: Final answer
   x = 316,176.76