Finding the Third Proportional to 3,605,012 and 7,721,764

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605,012 : 7,721,764 = 7,721,764 : x
2. Step 2: Convert to fraction form
   3,605,012/7,721,764 = 7,721,764/x
3. Step 3: Cross multiply
   3,605,012x = 7,721,764 × 7,721,764
4. Step 4: Simplify right side
   3,605,012x = 59,625,639,271,696
5. Step 5: Solve for x
   x = 59,625,639,271,696/3,605,012
6. Step 6: Final answer
   x = 16,539,650.71