Finding the Third Proportional to 281,880 and 436,272.75

Step by Step Solution

1. Step 1: Write the proportion equation
   281,880 : 436,272.75 = 436,272.75 : x
2. Step 2: Convert to fraction form
   281,880/436,272.75 = 436,272.75/x
3. Step 3: Cross multiply
   281,880x = 436,272.75 × 436,272.75
4. Step 4: Simplify right side
   281,880x = 190,333,912,392.56
5. Step 5: Solve for x
   x = 190,333,912,392.56/281,880
6. Step 6: Final answer
   x = 675,230.28