Finding the Third Proportional to 3,678,615 and 8,083,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678,615 : 8,083,039.50 = 8,083,039.50 : x
2. Step 2: Convert to fraction form
   3,678,615/8,083,039.50 = 8,083,039.50/x
3. Step 3: Cross multiply
   3,678,615x = 8,083,039.50 × 8,083,039.50
4. Step 4: Simplify right side
   3,678,615x = 65,335,527,558,560.25
5. Step 5: Solve for x
   x = 65,335,527,558,560.25/3,678,615
6. Step 6: Final answer
   x = 17,760,903.92