Finding the Third Proportional to 3,862.69 and 7,731.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,862.69 : 7,731.07 = 7,731.07 : x
2. Step 2: Convert to fraction form
   3,862.69/7,731.07 = 7,731.07/x
3. Step 3: Cross multiply
   3,862.69x = 7,731.07 × 7,731.07
4. Step 4: Simplify right side
   3,862.69x = 59,769,448.18
5. Step 5: Solve for x
   x = 59,769,448.18/3,862.69
6. Step 6: Final answer
   x = 15,473.54