Finding the Third Proportional to 4,761,920 and 7,185,816

Step by Step Solution

1. Step 1: Write the proportion equation
   4,761,920 : 7,185,816 = 7,185,816 : x
2. Step 2: Convert to fraction form
   4,761,920/7,185,816 = 7,185,816/x
3. Step 3: Cross multiply
   4,761,920x = 7,185,816 × 7,185,816
4. Step 4: Simplify right side
   4,761,920x = 51,635,951,585,856
5. Step 5: Solve for x
   x = 51,635,951,585,856/4,761,920
6. Step 6: Final answer
   x = 10,843,515.13