Finding the Third Proportional to 328,427.25 and 494,991

Step by Step Solution

1. Step 1: Write the proportion equation
   328,427.25 : 494,991 = 494,991 : x
2. Step 2: Convert to fraction form
   328,427.25/494,991 = 494,991/x
3. Step 3: Cross multiply
   328,427.25x = 494,991 × 494,991
4. Step 4: Simplify right side
   328,427.25x = 245,016,090,081
5. Step 5: Solve for x
   x = 245,016,090,081/328,427.25
6. Step 6: Final answer
   x = 746,028.50