Finding the Third Proportional to 664,608 and 1,462,128

Step by Step Solution

1. Step 1: Write the proportion equation
   664,608 : 1,462,128 = 1,462,128 : x
2. Step 2: Convert to fraction form
   664,608/1,462,128 = 1,462,128/x
3. Step 3: Cross multiply
   664,608x = 1,462,128 × 1,462,128
4. Step 4: Simplify right side
   664,608x = 2,137,818,288,384
5. Step 5: Solve for x
   x = 2,137,818,288,384/664,608
6. Step 6: Final answer
   x = 3,216,660.48