Finding the Third Proportional to 281,626.50 and 435,810

Step by Step Solution

1. Step 1: Write the proportion equation
   281,626.50 : 435,810 = 435,810 : x
2. Step 2: Convert to fraction form
   281,626.50/435,810 = 435,810/x
3. Step 3: Cross multiply
   281,626.50x = 435,810 × 435,810
4. Step 4: Simplify right side
   281,626.50x = 189,930,356,100
5. Step 5: Solve for x
   x = 189,930,356,100/281,626.50
6. Step 6: Final answer
   x = 674,405.13