Finding the Third Proportional to 3,412,731 and 7,245,366

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,731 : 7,245,366 = 7,245,366 : x
2. Step 2: Convert to fraction form
   3,412,731/7,245,366 = 7,245,366/x
3. Step 3: Cross multiply
   3,412,731x = 7,245,366 × 7,245,366
4. Step 4: Simplify right side
   3,412,731x = 52,495,328,473,956
5. Step 5: Solve for x
   x = 52,495,328,473,956/3,412,731
6. Step 6: Final answer
   x = 15,382,205.18