Finding the Third Proportional to 1,399,055 and 3,012,157

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,055 : 3,012,157 = 3,012,157 : x
2. Step 2: Convert to fraction form
   1,399,055/3,012,157 = 3,012,157/x
3. Step 3: Cross multiply
   1,399,055x = 3,012,157 × 3,012,157
4. Step 4: Simplify right side
   1,399,055x = 9,073,089,792,649
5. Step 5: Solve for x
   x = 9,073,089,792,649/1,399,055
6. Step 6: Final answer
   x = 6,485,155.90