Finding the Third Proportional to 648,399 and 1,041,801

Step by Step Solution

1. Step 1: Write the proportion equation
   648,399 : 1,041,801 = 1,041,801 : x
2. Step 2: Convert to fraction form
   648,399/1,041,801 = 1,041,801/x
3. Step 3: Cross multiply
   648,399x = 1,041,801 × 1,041,801
4. Step 4: Simplify right side
   648,399x = 1,085,349,323,601
5. Step 5: Solve for x
   x = 1,085,349,323,601/648,399
6. Step 6: Final answer
   x = 1,673,891.11