Finding the Third Proportional to 131,225 and 203,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,225 : 203,581.50 = 203,581.50 : x
2. Step 2: Convert to fraction form
   131,225/203,581.50 = 203,581.50/x
3. Step 3: Cross multiply
   131,225x = 203,581.50 × 203,581.50
4. Step 4: Simplify right side
   131,225x = 41,445,427,142.25
5. Step 5: Solve for x
   x = 41,445,427,142.25/131,225
6. Step 6: Final answer
   x = 315,834.84