Finding the Third Proportional to 443,076 and 664,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,076 : 664,451.50 = 664,451.50 : x
2. Step 2: Convert to fraction form
   443,076/664,451.50 = 664,451.50/x
3. Step 3: Cross multiply
   443,076x = 664,451.50 × 664,451.50
4. Step 4: Simplify right side
   443,076x = 441,495,795,852.25
5. Step 5: Solve for x
   x = 441,495,795,852.25/443,076
6. Step 6: Final answer
   x = 996,433.56