Finding the Third Proportional to 326,181 and 674,736.75

Step by Step Solution

1. Step 1: Write the proportion equation
   326,181 : 674,736.75 = 674,736.75 : x
2. Step 2: Convert to fraction form
   326,181/674,736.75 = 674,736.75/x
3. Step 3: Cross multiply
   326,181x = 674,736.75 × 674,736.75
4. Step 4: Simplify right side
   326,181x = 455,269,681,800.56
5. Step 5: Solve for x
   x = 455,269,681,800.56/326,181
6. Step 6: Final answer
   x = 1,395,757.82