Finding the Third Proportional to 281,142 and 452,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,142 : 452,758.50 = 452,758.50 : x
2. Step 2: Convert to fraction form
   281,142/452,758.50 = 452,758.50/x
3. Step 3: Cross multiply
   281,142x = 452,758.50 × 452,758.50
4. Step 4: Simplify right side
   281,142x = 204,990,259,322.25
5. Step 5: Solve for x
   x = 204,990,259,322.25/281,142
6. Step 6: Final answer
   x = 729,134.24