Finding the Third Proportional to 281,860.50 and 436,248

Step by Step Solution

1. Step 1: Write the proportion equation
   281,860.50 : 436,248 = 436,248 : x
2. Step 2: Convert to fraction form
   281,860.50/436,248 = 436,248/x
3. Step 3: Cross multiply
   281,860.50x = 436,248 × 436,248
4. Step 4: Simplify right side
   281,860.50x = 190,312,317,504
5. Step 5: Solve for x
   x = 190,312,317,504/281,860.50
6. Step 6: Final answer
   x = 675,200.38