Finding the Third Proportional to 3,103,859 and 4,788,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,103,859 : 4,788,638 = 4,788,638 : x
2. Step 2: Convert to fraction form
   3,103,859/4,788,638 = 4,788,638/x
3. Step 3: Cross multiply
   3,103,859x = 4,788,638 × 4,788,638
4. Step 4: Simplify right side
   3,103,859x = 22,931,053,895,044
5. Step 5: Solve for x
   x = 22,931,053,895,044/3,103,859
6. Step 6: Final answer
   x = 7,387,917.39