Finding the Third Proportional to 254,133 and 338,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,133 : 338,797.50 = 338,797.50 : x
2. Step 2: Convert to fraction form
   254,133/338,797.50 = 338,797.50/x
3. Step 3: Cross multiply
   254,133x = 338,797.50 × 338,797.50
4. Step 4: Simplify right side
   254,133x = 114,783,746,006.25
5. Step 5: Solve for x
   x = 114,783,746,006.25/254,133
6. Step 6: Final answer
   x = 451,668.01