Finding the Third Proportional to 3,466,584 and 7,729,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466,584 : 7,729,784 = 7,729,784 : x
2. Step 2: Convert to fraction form
   3,466,584/7,729,784 = 7,729,784/x
3. Step 3: Cross multiply
   3,466,584x = 7,729,784 × 7,729,784
4. Step 4: Simplify right side
   3,466,584x = 59,749,560,686,656
5. Step 5: Solve for x
   x = 59,749,560,686,656/3,466,584
6. Step 6: Final answer
   x = 17,235,861.21