Finding the Third Proportional to 5,162,448 and 8,019,792

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162,448 : 8,019,792 = 8,019,792 : x
2. Step 2: Convert to fraction form
   5,162,448/8,019,792 = 8,019,792/x
3. Step 3: Cross multiply
   5,162,448x = 8,019,792 × 8,019,792
4. Step 4: Simplify right side
   5,162,448x = 64,317,063,723,264
5. Step 5: Solve for x
   x = 64,317,063,723,264/5,162,448
6. Step 6: Final answer
   x = 12,458,636.62