Finding the Third Proportional to 3,796.88 and 7,781.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,796.88 : 7,781.70 = 7,781.70 : x
2. Step 2: Convert to fraction form
   3,796.88/7,781.70 = 7,781.70/x
3. Step 3: Cross multiply
   3,796.88x = 7,781.70 × 7,781.70
4. Step 4: Simplify right side
   3,796.88x = 60,554,781.94
5. Step 5: Solve for x
   x = 60,554,781.94/3,796.88
6. Step 6: Final answer
   x = 15,948.58