Finding the Third Proportional to 3,122,880 and 4,658,328

Step by Step Solution

1. Step 1: Write the proportion equation
   3,122,880 : 4,658,328 = 4,658,328 : x
2. Step 2: Convert to fraction form
   3,122,880/4,658,328 = 4,658,328/x
3. Step 3: Cross multiply
   3,122,880x = 4,658,328 × 4,658,328
4. Step 4: Simplify right side
   3,122,880x = 21,700,019,755,584
5. Step 5: Solve for x
   x = 21,700,019,755,584/3,122,880
6. Step 6: Final answer
   x = 6,948,720.33