Finding the Third Proportional to 3,545,014 and 7,731,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,014 : 7,731,638 = 7,731,638 : x
2. Step 2: Convert to fraction form
   3,545,014/7,731,638 = 7,731,638/x
3. Step 3: Cross multiply
   3,545,014x = 7,731,638 × 7,731,638
4. Step 4: Simplify right side
   3,545,014x = 59,778,226,163,044
5. Step 5: Solve for x
   x = 59,778,226,163,044/3,545,014
6. Step 6: Final answer
   x = 16,862,620.62