Finding the Third Proportional to 671,448 and 1,373,910

Step by Step Solution

1. Step 1: Write the proportion equation
   671,448 : 1,373,910 = 1,373,910 : x
2. Step 2: Convert to fraction form
   671,448/1,373,910 = 1,373,910/x
3. Step 3: Cross multiply
   671,448x = 1,373,910 × 1,373,910
4. Step 4: Simplify right side
   671,448x = 1,887,628,688,100
5. Step 5: Solve for x
   x = 1,887,628,688,100/671,448
6. Step 6: Final answer
   x = 2,811,280.53