Finding the Third Proportional to 269,436 and 404,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,436 : 404,152.50 = 404,152.50 : x
2. Step 2: Convert to fraction form
   269,436/404,152.50 = 404,152.50/x
3. Step 3: Cross multiply
   269,436x = 404,152.50 × 404,152.50
4. Step 4: Simplify right side
   269,436x = 163,339,243,256.25
5. Step 5: Solve for x
   x = 163,339,243,256.25/269,436
6. Step 6: Final answer
   x = 606,226.50