Finding the Third Proportional to 269,430 and 404,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,430 : 404,143.50 = 404,143.50 : x
2. Step 2: Convert to fraction form
   269,430/404,143.50 = 404,143.50/x
3. Step 3: Cross multiply
   269,430x = 404,143.50 × 404,143.50
4. Step 4: Simplify right side
   269,430x = 163,331,968,592.25
5. Step 5: Solve for x
   x = 163,331,968,592.25/269,430
6. Step 6: Final answer
   x = 606,213.00