Finding the Third Proportional to 149,782.50 and 325,809

Step by Step Solution

1. Step 1: Write the proportion equation
   149,782.50 : 325,809 = 325,809 : x
2. Step 2: Convert to fraction form
   149,782.50/325,809 = 325,809/x
3. Step 3: Cross multiply
   149,782.50x = 325,809 × 325,809
4. Step 4: Simplify right side
   149,782.50x = 106,151,504,481
5. Step 5: Solve for x
   x = 106,151,504,481/149,782.50
6. Step 6: Final answer
   x = 708,704.32