Finding the Third Proportional to 281,853 and 436,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,853 : 436,234.50 = 436,234.50 : x
2. Step 2: Convert to fraction form
   281,853/436,234.50 = 436,234.50/x
3. Step 3: Cross multiply
   281,853x = 436,234.50 × 436,234.50
4. Step 4: Simplify right side
   281,853x = 190,300,538,990.25
5. Step 5: Solve for x
   x = 190,300,538,990.25/281,853
6. Step 6: Final answer
   x = 675,176.56