Finding the Third Proportional to 335,118 and 693,564

Step by Step Solution

1. Step 1: Write the proportion equation
   335,118 : 693,564 = 693,564 : x
2. Step 2: Convert to fraction form
   335,118/693,564 = 693,564/x
3. Step 3: Cross multiply
   335,118x = 693,564 × 693,564
4. Step 4: Simplify right side
   335,118x = 481,031,022,096
5. Step 5: Solve for x
   x = 481,031,022,096/335,118
6. Step 6: Final answer
   x = 1,435,407.89