Finding the Third Proportional to 3,466,540 and 7,729,712

Step by Step Solution

1. Step 1: Write the proportion equation
   3,466,540 : 7,729,712 = 7,729,712 : x
2. Step 2: Convert to fraction form
   3,466,540/7,729,712 = 7,729,712/x
3. Step 3: Cross multiply
   3,466,540x = 7,729,712 × 7,729,712
4. Step 4: Simplify right side
   3,466,540x = 59,748,447,602,944
5. Step 5: Solve for x
   x = 59,748,447,602,944/3,466,540
6. Step 6: Final answer
   x = 17,235,758.88