Finding the Third Proportional to 443,916 and 676,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,916 : 676,930.50 = 676,930.50 : x
2. Step 2: Convert to fraction form
   443,916/676,930.50 = 676,930.50/x
3. Step 3: Cross multiply
   443,916x = 676,930.50 × 676,930.50
4. Step 4: Simplify right side
   443,916x = 458,234,901,830.25
5. Step 5: Solve for x
   x = 458,234,901,830.25/443,916
6. Step 6: Final answer
   x = 1,032,255.88