Finding the Third Proportional to 5,315,151 and 8,245,737

Step by Step Solution

1. Step 1: Write the proportion equation
   5,315,151 : 8,245,737 = 8,245,737 : x
2. Step 2: Convert to fraction form
   5,315,151/8,245,737 = 8,245,737/x
3. Step 3: Cross multiply
   5,315,151x = 8,245,737 × 8,245,737
4. Step 4: Simplify right side
   5,315,151x = 67,992,178,673,169
5. Step 5: Solve for x
   x = 67,992,178,673,169/5,315,151
6. Step 6: Final answer
   x = 12,792,144.32