Finding the Third Proportional to 204,249 and 299,506.50

Step by Step Solution

1. Step 1: Write the proportion equation
   204,249 : 299,506.50 = 299,506.50 : x
2. Step 2: Convert to fraction form
   204,249/299,506.50 = 299,506.50/x
3. Step 3: Cross multiply
   204,249x = 299,506.50 × 299,506.50
4. Step 4: Simplify right side
   204,249x = 89,704,143,542.25
5. Step 5: Solve for x
   x = 89,704,143,542.25/204,249
6. Step 6: Final answer
   x = 439,190.12