Finding the Third Proportional to 443,903.50 and 676,912

Step by Step Solution

1. Step 1: Write the proportion equation
   443,903.50 : 676,912 = 676,912 : x
2. Step 2: Convert to fraction form
   443,903.50/676,912 = 676,912/x
3. Step 3: Cross multiply
   443,903.50x = 676,912 × 676,912
4. Step 4: Simplify right side
   443,903.50x = 458,209,855,744
5. Step 5: Solve for x
   x = 458,209,855,744/443,903.50
6. Step 6: Final answer
   x = 1,032,228.53