Finding the Third Proportional to 281,175.50 and 435,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,175.50 : 435,501.50 = 435,501.50 : x
2. Step 2: Convert to fraction form
   281,175.50/435,501.50 = 435,501.50/x
3. Step 3: Cross multiply
   281,175.50x = 435,501.50 × 435,501.50
4. Step 4: Simplify right side
   281,175.50x = 189,661,556,502.25
5. Step 5: Solve for x
   x = 189,661,556,502.25/281,175.50
6. Step 6: Final answer
   x = 674,530.88