Finding the Third Proportional to 204,250.50 and 447,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   204,250.50 : 447,259.50 = 447,259.50 : x
2. Step 2: Convert to fraction form
   204,250.50/447,259.50 = 447,259.50/x
3. Step 3: Cross multiply
   204,250.50x = 447,259.50 × 447,259.50
4. Step 4: Simplify right side
   204,250.50x = 200,041,060,340.25
5. Step 5: Solve for x
   x = 200,041,060,340.25/204,250.50
6. Step 6: Final answer
   x = 979,390.80