Finding the Third Proportional to 3,412,743 and 7,245,390

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,743 : 7,245,390 = 7,245,390 : x
2. Step 2: Convert to fraction form
   3,412,743/7,245,390 = 7,245,390/x
3. Step 3: Cross multiply
   3,412,743x = 7,245,390 × 7,245,390
4. Step 4: Simplify right side
   3,412,743x = 52,495,676,252,100
5. Step 5: Solve for x
   x = 52,495,676,252,100/3,412,743
6. Step 6: Final answer
   x = 15,382,253.00