Finding the Third Proportional to 281,166 and 449,689.50

Step by Step Solution

1. Step 1: Write the proportion equation
   281,166 : 449,689.50 = 449,689.50 : x
2. Step 2: Convert to fraction form
   281,166/449,689.50 = 449,689.50/x
3. Step 3: Cross multiply
   281,166x = 449,689.50 × 449,689.50
4. Step 4: Simplify right side
   281,166x = 202,220,646,410.25
5. Step 5: Solve for x
   x = 202,220,646,410.25/281,166
6. Step 6: Final answer
   x = 719,221.55