Finding the Third Proportional to 3,952,216 and 8,503,616

Step by Step Solution

1. Step 1: Write the proportion equation
   3,952,216 : 8,503,616 = 8,503,616 : x
2. Step 2: Convert to fraction form
   3,952,216/8,503,616 = 8,503,616/x
3. Step 3: Cross multiply
   3,952,216x = 8,503,616 × 8,503,616
4. Step 4: Simplify right side
   3,952,216x = 72,311,485,075,456
5. Step 5: Solve for x
   x = 72,311,485,075,456/3,952,216
6. Step 6: Final answer
   x = 18,296,440.55