Finding the Third Proportional to 3,450,400 and 5,223,956

Step by Step Solution

1. Step 1: Write the proportion equation
   3,450,400 : 5,223,956 = 5,223,956 : x
2. Step 2: Convert to fraction form
   3,450,400/5,223,956 = 5,223,956/x
3. Step 3: Cross multiply
   3,450,400x = 5,223,956 × 5,223,956
4. Step 4: Simplify right side
   3,450,400x = 27,289,716,289,936
5. Step 5: Solve for x
   x = 27,289,716,289,936/3,450,400
6. Step 6: Final answer
   x = 7,909,145.69