Finding the Third Proportional to 267,651 and 394,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,651 : 394,081.50 = 394,081.50 : x
2. Step 2: Convert to fraction form
   267,651/394,081.50 = 394,081.50/x
3. Step 3: Cross multiply
   267,651x = 394,081.50 × 394,081.50
4. Step 4: Simplify right side
   267,651x = 155,300,228,642.25
5. Step 5: Solve for x
   x = 155,300,228,642.25/267,651
6. Step 6: Final answer
   x = 580,234.07