Finding the Third Proportional to 3,294,270 and 7,113,420

Step by Step Solution

1. Step 1: Write the proportion equation
   3,294,270 : 7,113,420 = 7,113,420 : x
2. Step 2: Convert to fraction form
   3,294,270/7,113,420 = 7,113,420/x
3. Step 3: Cross multiply
   3,294,270x = 7,113,420 × 7,113,420
4. Step 4: Simplify right side
   3,294,270x = 50,600,744,096,400
5. Step 5: Solve for x
   x = 50,600,744,096,400/3,294,270
6. Step 6: Final answer
   x = 15,360,229.76