Finding the Third Proportional to 3,541,869 and 7,509,366

Step by Step Solution

1. Step 1: Write the proportion equation
   3,541,869 : 7,509,366 = 7,509,366 : x
2. Step 2: Convert to fraction form
   3,541,869/7,509,366 = 7,509,366/x
3. Step 3: Cross multiply
   3,541,869x = 7,509,366 × 7,509,366
4. Step 4: Simplify right side
   3,541,869x = 56,390,577,721,956
5. Step 5: Solve for x
   x = 56,390,577,721,956/3,541,869
6. Step 6: Final answer
   x = 15,921,135.91