Finding the Third Proportional to 268,562 and 363,448.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,562 : 363,448.50 = 363,448.50 : x
2. Step 2: Convert to fraction form
   268,562/363,448.50 = 363,448.50/x
3. Step 3: Cross multiply
   268,562x = 363,448.50 × 363,448.50
4. Step 4: Simplify right side
   268,562x = 132,094,812,152.25
5. Step 5: Solve for x
   x = 132,094,812,152.25/268,562
6. Step 6: Final answer
   x = 491,859.65