Finding the Third Proportional to 687,588 and 1,493,505

Step by Step Solution

1. Step 1: Write the proportion equation
   687,588 : 1,493,505 = 1,493,505 : x
2. Step 2: Convert to fraction form
   687,588/1,493,505 = 1,493,505/x
3. Step 3: Cross multiply
   687,588x = 1,493,505 × 1,493,505
4. Step 4: Simplify right side
   687,588x = 2,230,557,185,025
5. Step 5: Solve for x
   x = 2,230,557,185,025/687,588
6. Step 6: Final answer
   x = 3,244,031.58