Finding the Third Proportional to 3,605,018 and 7,721,774

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605,018 : 7,721,774 = 7,721,774 : x
2. Step 2: Convert to fraction form
   3,605,018/7,721,774 = 7,721,774/x
3. Step 3: Cross multiply
   3,605,018x = 7,721,774 × 7,721,774
4. Step 4: Simplify right side
   3,605,018x = 59,625,793,707,076
5. Step 5: Solve for x
   x = 59,625,793,707,076/3,605,018
6. Step 6: Final answer
   x = 16,539,666.02