Finding the Third Proportional to 3,209,560 and 7,048,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,209,560 : 7,048,880 = 7,048,880 : x
2. Step 2: Convert to fraction form
   3,209,560/7,048,880 = 7,048,880/x
3. Step 3: Cross multiply
   3,209,560x = 7,048,880 × 7,048,880
4. Step 4: Simplify right side
   3,209,560x = 49,686,709,254,400
5. Step 5: Solve for x
   x = 49,686,709,254,400/3,209,560
6. Step 6: Final answer
   x = 15,480,847.61