Finding the Third Proportional to 141,403.50 and 333,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,403.50 : 333,518.50 = 333,518.50 : x
2. Step 2: Convert to fraction form
   141,403.50/333,518.50 = 333,518.50/x
3. Step 3: Cross multiply
   141,403.50x = 333,518.50 × 333,518.50
4. Step 4: Simplify right side
   141,403.50x = 111,234,589,842.25
5. Step 5: Solve for x
   x = 111,234,589,842.25/141,403.50
6. Step 6: Final answer
   x = 786,646.65