Finding the Third Proportional to 415,259.50 and 548,667

Step by Step Solution

1. Step 1: Write the proportion equation
   415,259.50 : 548,667 = 548,667 : x
2. Step 2: Convert to fraction form
   415,259.50/548,667 = 548,667/x
3. Step 3: Cross multiply
   415,259.50x = 548,667 × 548,667
4. Step 4: Simplify right side
   415,259.50x = 301,035,476,889
5. Step 5: Solve for x
   x = 301,035,476,889/415,259.50
6. Step 6: Final answer
   x = 724,933.39