Finding the Third Proportional to 3,466,578 and 7,729,773

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466,578 : 7,729,773 = 7,729,773 : x
2. Step 2: Convert to fraction form
   3,466,578/7,729,773 = 7,729,773/x
3. Step 3: Cross multiply
   3,466,578x = 7,729,773 × 7,729,773
4. Step 4: Simplify right side
   3,466,578x = 59,749,390,631,529
5. Step 5: Solve for x
   x = 59,749,390,631,529/3,466,578
6. Step 6: Final answer
   x = 17,235,841.98