Finding the Third Proportional to 654,444 and 1,368,180

Step by Step Solution

1. Step 1: Write the proportion equation
   654,444 : 1,368,180 = 1,368,180 : x
2. Step 2: Convert to fraction form
   654,444/1,368,180 = 1,368,180/x
3. Step 3: Cross multiply
   654,444x = 1,368,180 × 1,368,180
4. Step 4: Simplify right side
   654,444x = 1,871,916,512,400
5. Step 5: Solve for x
   x = 1,871,916,512,400/654,444
6. Step 6: Final answer
   x = 2,860,315.80