Finding the Third Proportional to 5,189,962 and 8,264,607

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189,962 : 8,264,607 = 8,264,607 : x
2. Step 2: Convert to fraction form
   5,189,962/8,264,607 = 8,264,607/x
3. Step 3: Cross multiply
   5,189,962x = 8,264,607 × 8,264,607
4. Step 4: Simplify right side
   5,189,962x = 68,303,728,864,449
5. Step 5: Solve for x
   x = 68,303,728,864,449/5,189,962
6. Step 6: Final answer
   x = 13,160,737.76