Finding the Third Proportional to 131,308 and 203,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,308 : 203,706.50 = 203,706.50 : x
2. Step 2: Convert to fraction form
   131,308/203,706.50 = 203,706.50/x
3. Step 3: Cross multiply
   131,308x = 203,706.50 × 203,706.50
4. Step 4: Simplify right side
   131,308x = 41,496,338,142.25
5. Step 5: Solve for x
   x = 41,496,338,142.25/131,308
6. Step 6: Final answer
   x = 316,022.92