Finding the Third Proportional to 269,469 and 449,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,469 : 449,131.50 = 449,131.50 : x
2. Step 2: Convert to fraction form
   269,469/449,131.50 = 449,131.50/x
3. Step 3: Cross multiply
   269,469x = 449,131.50 × 449,131.50
4. Step 4: Simplify right side
   269,469x = 201,719,104,292.25
5. Step 5: Solve for x
   x = 201,719,104,292.25/269,469
6. Step 6: Final answer
   x = 748,580.00