Finding the Third Proportional to 323,905.50 and 504,099

Step by Step Solution

1. Step 1: Write the proportion equation
   323,905.50 : 504,099 = 504,099 : x
2. Step 2: Convert to fraction form
   323,905.50/504,099 = 504,099/x
3. Step 3: Cross multiply
   323,905.50x = 504,099 × 504,099
4. Step 4: Simplify right side
   323,905.50x = 254,115,801,801
5. Step 5: Solve for x
   x = 254,115,801,801/323,905.50
6. Step 6: Final answer
   x = 784,536.85