Finding the Third Proportional to 204,984.50 and 423,099

Step by Step Solution

1. Step 1: Write the proportion equation
   204,984.50 : 423,099 = 423,099 : x
2. Step 2: Convert to fraction form
   204,984.50/423,099 = 423,099/x
3. Step 3: Cross multiply
   204,984.50x = 423,099 × 423,099
4. Step 4: Simplify right side
   204,984.50x = 179,012,763,801
5. Step 5: Solve for x
   x = 179,012,763,801/204,984.50
6. Step 6: Final answer
   x = 873,299.02