Finding the Third Proportional to 263,131.50 and 400,233

Step by Step Solution

1. Step 1: Write the proportion equation
   263,131.50 : 400,233 = 400,233 : x
2. Step 2: Convert to fraction form
   263,131.50/400,233 = 400,233/x
3. Step 3: Cross multiply
   263,131.50x = 400,233 × 400,233
4. Step 4: Simplify right side
   263,131.50x = 160,186,454,289
5. Step 5: Solve for x
   x = 160,186,454,289/263,131.50
6. Step 6: Final answer
   x = 608,769.59