Finding the Third Proportional to 5,389,152 and 8,139,676

Step by Step Solution

1. Step 1: Write the proportion equation
   5,389,152 : 8,139,676 = 8,139,676 : x
2. Step 2: Convert to fraction form
   5,389,152/8,139,676 = 8,139,676/x
3. Step 3: Cross multiply
   5,389,152x = 8,139,676 × 8,139,676
4. Step 4: Simplify right side
   5,389,152x = 66,254,325,384,976
5. Step 5: Solve for x
   x = 66,254,325,384,976/5,389,152
6. Step 6: Final answer
   x = 12,294,016.83