Finding the Third Proportional to 5,166,936 and 8,064,360

Step by Step Solution

1. Step 1: Write the proportion equation
   5,166,936 : 8,064,360 = 8,064,360 : x
2. Step 2: Convert to fraction form
   5,166,936/8,064,360 = 8,064,360/x
3. Step 3: Cross multiply
   5,166,936x = 8,064,360 × 8,064,360
4. Step 4: Simplify right side
   5,166,936x = 65,033,902,209,600
5. Step 5: Solve for x
   x = 65,033,902,209,600/5,166,936
6. Step 6: Final answer
   x = 12,586,550.75