Finding the Third Proportional to 5,407,047 and 8,369,406

Step by Step Solution

1. Step 1: Write the proportion equation
   5,407,047 : 8,369,406 = 8,369,406 : x
2. Step 2: Convert to fraction form
   5,407,047/8,369,406 = 8,369,406/x
3. Step 3: Cross multiply
   5,407,047x = 8,369,406 × 8,369,406
4. Step 4: Simplify right side
   5,407,047x = 70,046,956,792,836
5. Step 5: Solve for x
   x = 70,046,956,792,836/5,407,047
6. Step 6: Final answer
   x = 12,954,752.71