Finding the Third Proportional to 259,065 and 394,864.88

Step by Step Solution

1. Step 1: Write the proportion equation
   259,065 : 394,864.88 = 394,864.88 : x
2. Step 2: Convert to fraction form
   259,065/394,864.88 = 394,864.88/x
3. Step 3: Cross multiply
   259,065x = 394,864.88 × 394,864.88
4. Step 4: Simplify right side
   259,065x = 155,918,269,508.77
5. Step 5: Solve for x
   x = 155,918,269,508.77/259,065
6. Step 6: Final answer
   x = 601,850.00