Finding the Third Proportional to 648,348 and 1,041,720

Step by Step Solution

1. Step 1: Write the proportion equation
   648,348 : 1,041,720 = 1,041,720 : x
2. Step 2: Convert to fraction form
   648,348/1,041,720 = 1,041,720/x
3. Step 3: Cross multiply
   648,348x = 1,041,720 × 1,041,720
4. Step 4: Simplify right side
   648,348x = 1,085,180,558,400
5. Step 5: Solve for x
   x = 1,085,180,558,400/648,348
6. Step 6: Final answer
   x = 1,673,762.48