Finding the Third Proportional to 208,081.50 and 447,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,081.50 : 447,739.50 = 447,739.50 : x
2. Step 2: Convert to fraction form
   208,081.50/447,739.50 = 447,739.50/x
3. Step 3: Cross multiply
   208,081.50x = 447,739.50 × 447,739.50
4. Step 4: Simplify right side
   208,081.50x = 200,470,659,860.25
5. Step 5: Solve for x
   x = 200,470,659,860.25/208,081.50
6. Step 6: Final answer
   x = 963,423.75