Finding the Third Proportional to 131,803 and 204,258.75

Step by Step Solution

1. Step 1: Write the proportion equation
   131,803 : 204,258.75 = 204,258.75 : x
2. Step 2: Convert to fraction form
   131,803/204,258.75 = 204,258.75/x
3. Step 3: Cross multiply
   131,803x = 204,258.75 × 204,258.75
4. Step 4: Simplify right side
   131,803x = 41,721,636,951.56
5. Step 5: Solve for x
   x = 41,721,636,951.56/131,803
6. Step 6: Final answer
   x = 316,545.43