Finding the Third Proportional to 754,576 and 1,617,128

Step by Step Solution

1. Step 1: Write the proportion equation
   754,576 : 1,617,128 = 1,617,128 : x
2. Step 2: Convert to fraction form
   754,576/1,617,128 = 1,617,128/x
3. Step 3: Cross multiply
   754,576x = 1,617,128 × 1,617,128
4. Step 4: Simplify right side
   754,576x = 2,615,102,968,384
5. Step 5: Solve for x
   x = 2,615,102,968,384/754,576
6. Step 6: Final answer
   x = 3,465,658.82