Finding the Third Proportional to 664,336 and 1,031,504

Step by Step Solution

1. Step 1: Write the proportion equation
   664,336 : 1,031,504 = 1,031,504 : x
2. Step 2: Convert to fraction form
   664,336/1,031,504 = 1,031,504/x
3. Step 3: Cross multiply
   664,336x = 1,031,504 × 1,031,504
4. Step 4: Simplify right side
   664,336x = 1,064,000,502,016
5. Step 5: Solve for x
   x = 1,064,000,502,016/664,336
6. Step 6: Final answer
   x = 1,601,599.95