Finding the Third Proportional to 269,814 and 404,745

Step by Step Solution

1. Step 1: Write the proportion equation
   269,814 : 404,745 = 404,745 : x
2. Step 2: Convert to fraction form
   269,814/404,745 = 404,745/x
3. Step 3: Cross multiply
   269,814x = 404,745 × 404,745
4. Step 4: Simplify right side
   269,814x = 163,818,515,025
5. Step 5: Solve for x
   x = 163,818,515,025/269,814
6. Step 6: Final answer
   x = 607,153.50