Finding the Third Proportional to 1,477,212 and 3,213,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,477,212 : 3,213,240 = 3,213,240 : x
2. Step 2: Convert to fraction form
   1,477,212/3,213,240 = 3,213,240/x
3. Step 3: Cross multiply
   1,477,212x = 3,213,240 × 3,213,240
4. Step 4: Simplify right side
   1,477,212x = 10,324,911,297,600
5. Step 5: Solve for x
   x = 10,324,911,297,600/1,477,212
6. Step 6: Final answer
   x = 6,989,458.05