Finding the Third Proportional to 5,517,856 and 8,512,968

Step by Step Solution

1. Step 1: Write the proportion equation
   5,517,856 : 8,512,968 = 8,512,968 : x
2. Step 2: Convert to fraction form
   5,517,856/8,512,968 = 8,512,968/x
3. Step 3: Cross multiply
   5,517,856x = 8,512,968 × 8,512,968
4. Step 4: Simplify right side
   5,517,856x = 72,470,624,169,024
5. Step 5: Solve for x
   x = 72,470,624,169,024/5,517,856
6. Step 6: Final answer
   x = 13,133,837.52