Finding the Third Proportional to 433,992 and 663,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   433,992 : 663,493.50 = 663,493.50 : x
2. Step 2: Convert to fraction form
   433,992/663,493.50 = 663,493.50/x
3. Step 3: Cross multiply
   433,992x = 663,493.50 × 663,493.50
4. Step 4: Simplify right side
   433,992x = 440,223,624,542.25
5. Step 5: Solve for x
   x = 440,223,624,542.25/433,992
6. Step 6: Final answer
   x = 1,014,358.85