Finding the Third Proportional to 204,426.75 and 300,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   204,426.75 : 300,736.50 = 300,736.50 : x
2. Step 2: Convert to fraction form
   204,426.75/300,736.50 = 300,736.50/x
3. Step 3: Cross multiply
   204,426.75x = 300,736.50 × 300,736.50
4. Step 4: Simplify right side
   204,426.75x = 90,442,442,432.25
5. Step 5: Solve for x
   x = 90,442,442,432.25/204,426.75
6. Step 6: Final answer
   x = 442,419.80