Finding the Third Proportional to 3,645,555 and 7,977,333

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,555 : 7,977,333 = 7,977,333 : x
2. Step 2: Convert to fraction form
   3,645,555/7,977,333 = 7,977,333/x
3. Step 3: Cross multiply
   3,645,555x = 7,977,333 × 7,977,333
4. Step 4: Simplify right side
   3,645,555x = 63,637,841,792,889
5. Step 5: Solve for x
   x = 63,637,841,792,889/3,645,555
6. Step 6: Final answer
   x = 17,456,283.55