Finding the Third Proportional to 3,555.77 and 7,794.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.77 : 7,794.98 = 7,794.98 : x
2. Step 2: Convert to fraction form
   3,555.77/7,794.98 = 7,794.98/x
3. Step 3: Cross multiply
   3,555.77x = 7,794.98 × 7,794.98
4. Step 4: Simplify right side
   3,555.77x = 60,761,781.41
5. Step 5: Solve for x
   x = 60,761,781.41/3,555.77
6. Step 6: Final answer
   x = 17,088.20