Finding the Third Proportional to 648,932 and 1,397,661

Step by Step Solution

1. Step 1: Write the proportion equation
   648,932 : 1,397,661 = 1,397,661 : x
2. Step 2: Convert to fraction form
   648,932/1,397,661 = 1,397,661/x
3. Step 3: Cross multiply
   648,932x = 1,397,661 × 1,397,661
4. Step 4: Simplify right side
   648,932x = 1,953,456,270,921
5. Step 5: Solve for x
   x = 1,953,456,270,921/648,932
6. Step 6: Final answer
   x = 3,010,263.43