Finding the Third Proportional to 664,925 and 1,462,689

Step by Step Solution

1. Step 1: Write the proportion equation
   664,925 : 1,462,689 = 1,462,689 : x
2. Step 2: Convert to fraction form
   664,925/1,462,689 = 1,462,689/x
3. Step 3: Cross multiply
   664,925x = 1,462,689 × 1,462,689
4. Step 4: Simplify right side
   664,925x = 2,139,459,110,721
5. Step 5: Solve for x
   x = 2,139,459,110,721/664,925
6. Step 6: Final answer
   x = 3,217,594.63