Finding the Third Proportional to 5,189,972 and 8,264,622

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189,972 : 8,264,622 = 8,264,622 : x
2. Step 2: Convert to fraction form
   5,189,972/8,264,622 = 8,264,622/x
3. Step 3: Cross multiply
   5,189,972x = 8,264,622 × 8,264,622
4. Step 4: Simplify right side
   5,189,972x = 68,303,976,802,884
5. Step 5: Solve for x
   x = 68,303,976,802,884/5,189,972
6. Step 6: Final answer
   x = 13,160,760.17