Finding the Third Proportional to 3,249,860 and 7,042,100

Step by Step Solution

1. Step 1: Write the proportion equation
   3,249,860 : 7,042,100 = 7,042,100 : x
2. Step 2: Convert to fraction form
   3,249,860/7,042,100 = 7,042,100/x
3. Step 3: Cross multiply
   3,249,860x = 7,042,100 × 7,042,100
4. Step 4: Simplify right side
   3,249,860x = 49,591,172,410,000
5. Step 5: Solve for x
   x = 49,591,172,410,000/3,249,860
6. Step 6: Final answer
   x = 15,259,479.61