Finding the Third Proportional to 269,500.50 and 449,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,500.50 : 449,185.50 = 449,185.50 : x
2. Step 2: Convert to fraction form
   269,500.50/449,185.50 = 449,185.50/x
3. Step 3: Cross multiply
   269,500.50x = 449,185.50 × 449,185.50
4. Step 4: Simplify right side
   269,500.50x = 201,767,613,410.25
5. Step 5: Solve for x
   x = 201,767,613,410.25/269,500.50
6. Step 6: Final answer
   x = 748,672.50