Finding the Third Proportional to 3,610,147 and 7,928,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610,147 : 7,928,780 = 7,928,780 : x
2. Step 2: Convert to fraction form
   3,610,147/7,928,780 = 7,928,780/x
3. Step 3: Cross multiply
   3,610,147x = 7,928,780 × 7,928,780
4. Step 4: Simplify right side
   3,610,147x = 62,865,552,288,400
5. Step 5: Solve for x
   x = 62,865,552,288,400/3,610,147
6. Step 6: Final answer
   x = 17,413,571.33