Finding the Third Proportional to 5,189,968 and 8,264,616

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189,968 : 8,264,616 = 8,264,616 : x
2. Step 2: Convert to fraction form
   5,189,968/8,264,616 = 8,264,616/x
3. Step 3: Cross multiply
   5,189,968x = 8,264,616 × 8,264,616
4. Step 4: Simplify right side
   5,189,968x = 68,303,877,627,456
5. Step 5: Solve for x
   x = 68,303,877,627,456/5,189,968
6. Step 6: Final answer
   x = 13,160,751.21