Finding the Third Proportional to 672,042 and 1,040,353

Step by Step Solution

1. Step 1: Write the proportion equation
   672,042 : 1,040,353 = 1,040,353 : x
2. Step 2: Convert to fraction form
   672,042/1,040,353 = 1,040,353/x
3. Step 3: Cross multiply
   672,042x = 1,040,353 × 1,040,353
4. Step 4: Simplify right side
   672,042x = 1,082,334,364,609
5. Step 5: Solve for x
   x = 1,082,334,364,609/672,042
6. Step 6: Final answer
   x = 1,610,515.96