Finding the Third Proportional to 3,605,007 and 7,721,754

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605,007 : 7,721,754 = 7,721,754 : x
2. Step 2: Convert to fraction form
   3,605,007/7,721,754 = 7,721,754/x
3. Step 3: Cross multiply
   3,605,007x = 7,721,754 × 7,721,754
4. Step 4: Simplify right side
   3,605,007x = 59,625,484,836,516
5. Step 5: Solve for x
   x = 59,625,484,836,516/3,605,007
6. Step 6: Final answer
   x = 16,539,630.81