Finding the Third Proportional to 131,286 and 281,254.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,286 : 281,254.50 = 281,254.50 : x
2. Step 2: Convert to fraction form
   131,286/281,254.50 = 281,254.50/x
3. Step 3: Cross multiply
   131,286x = 281,254.50 × 281,254.50
4. Step 4: Simplify right side
   131,286x = 79,104,093,770.25
5. Step 5: Solve for x
   x = 79,104,093,770.25/131,286
6. Step 6: Final answer
   x = 602,532.59