Finding the Third Proportional to 637,792 and 1,353,328

Step by Step Solution

1. Step 1: Write the proportion equation
   637,792 : 1,353,328 = 1,353,328 : x
2. Step 2: Convert to fraction form
   637,792/1,353,328 = 1,353,328/x
3. Step 3: Cross multiply
   637,792x = 1,353,328 × 1,353,328
4. Step 4: Simplify right side
   637,792x = 1,831,496,675,584
5. Step 5: Solve for x
   x = 1,831,496,675,584/637,792
6. Step 6: Final answer
   x = 2,871,620.65