Finding the Third Proportional to 3,605,004 and 7,721,748

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605,004 : 7,721,748 = 7,721,748 : x
2. Step 2: Convert to fraction form
   3,605,004/7,721,748 = 7,721,748/x
3. Step 3: Cross multiply
   3,605,004x = 7,721,748 × 7,721,748
4. Step 4: Simplify right side
   3,605,004x = 59,625,392,175,504
5. Step 5: Solve for x
   x = 59,625,392,175,504/3,605,004
6. Step 6: Final answer
   x = 16,539,618.87