Finding the Third Proportional to 141,003.75 and 324,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,003.75 : 324,661.50 = 324,661.50 : x
2. Step 2: Convert to fraction form
   141,003.75/324,661.50 = 324,661.50/x
3. Step 3: Cross multiply
   141,003.75x = 324,661.50 × 324,661.50
4. Step 4: Simplify right side
   141,003.75x = 105,405,089,582.25
5. Step 5: Solve for x
   x = 105,405,089,582.25/141,003.75
6. Step 6: Final answer
   x = 747,533.95