Finding the Third Proportional to 3,639,968 and 7,995,511

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639,968 : 7,995,511 = 7,995,511 : x
2. Step 2: Convert to fraction form
   3,639,968/7,995,511 = 7,995,511/x
3. Step 3: Cross multiply
   3,639,968x = 7,995,511 × 7,995,511
4. Step 4: Simplify right side
   3,639,968x = 63,928,196,151,121
5. Step 5: Solve for x
   x = 63,928,196,151,121/3,639,968
6. Step 6: Final answer
   x = 17,562,845.65