Finding the Third Proportional to 255,231 and 375,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   255,231 : 375,475.50 = 375,475.50 : x
2. Step 2: Convert to fraction form
   255,231/375,475.50 = 375,475.50/x
3. Step 3: Cross multiply
   255,231x = 375,475.50 × 375,475.50
4. Step 4: Simplify right side
   255,231x = 140,981,851,100.25
5. Step 5: Solve for x
   x = 140,981,851,100.25/255,231
6. Step 6: Final answer
   x = 552,369.62