Finding the Third Proportional to 3,611.25 and 7,710.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611.25 : 7,710.75 = 7,710.75 : x
2. Step 2: Convert to fraction form
   3,611.25/7,710.75 = 7,710.75/x
3. Step 3: Cross multiply
   3,611.25x = 7,710.75 × 7,710.75
4. Step 4: Simplify right side
   3,611.25x = 59,455,665.56
5. Step 5: Solve for x
   x = 59,455,665.56/3,611.25
6. Step 6: Final answer
   x = 16,464.01