Finding the Third Proportional to 131,258 and 281,188

Step by Step Solution

1. Step 1: Write the proportion equation
   131,258 : 281,188 = 281,188 : x
2. Step 2: Convert to fraction form
   131,258/281,188 = 281,188/x
3. Step 3: Cross multiply
   131,258x = 281,188 × 281,188
4. Step 4: Simplify right side
   131,258x = 79,066,691,344
5. Step 5: Solve for x
   x = 79,066,691,344/131,258
6. Step 6: Final answer
   x = 602,376.17