Finding the Third Proportional to 269,430 and 449,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,430 : 449,029.50 = 449,029.50 : x
2. Step 2: Convert to fraction form
   269,430/449,029.50 = 449,029.50/x
3. Step 3: Cross multiply
   269,430x = 449,029.50 × 449,029.50
4. Step 4: Simplify right side
   269,430x = 201,627,491,870.25
5. Step 5: Solve for x
   x = 201,627,491,870.25/269,430
6. Step 6: Final answer
   x = 748,348.33