Finding the Third Proportional to 3,481,200 and 5,321,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481,200 : 5,321,880 = 5,321,880 : x
2. Step 2: Convert to fraction form
   3,481,200/5,321,880 = 5,321,880/x
3. Step 3: Cross multiply
   3,481,200x = 5,321,880 × 5,321,880
4. Step 4: Simplify right side
   3,481,200x = 28,322,406,734,400
5. Step 5: Solve for x
   x = 28,322,406,734,400/3,481,200
6. Step 6: Final answer
   x = 8,135,817.17