Finding the Third Proportional to 269,487 and 404,200.13

Step by Step Solution

1. Step 1: Write the proportion equation
   269,487 : 404,200.13 = 404,200.13 : x
2. Step 2: Convert to fraction form
   269,487/404,200.13 = 404,200.13/x
3. Step 3: Cross multiply
   269,487x = 404,200.13 × 404,200.13
4. Step 4: Simplify right side
   269,487x = 163,377,741,050.02
5. Step 5: Solve for x
   x = 163,377,741,050.02/269,487
6. Step 6: Final answer
   x = 606,254.63