Finding the Third Proportional to 754,640 and 1,644,064

Step by Step Solution

1. Step 1: Write the proportion equation
   754,640 : 1,644,064 = 1,644,064 : x
2. Step 2: Convert to fraction form
   754,640/1,644,064 = 1,644,064/x
3. Step 3: Cross multiply
   754,640x = 1,644,064 × 1,644,064
4. Step 4: Simplify right side
   754,640x = 2,702,946,436,096
5. Step 5: Solve for x
   x = 2,702,946,436,096/754,640
6. Step 6: Final answer
   x = 3,581,769.37