Finding the Third Proportional to 4,900.75 and 10,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,900.75 : 10,611.50 = 10,611.50 : x
2. Step 2: Convert to fraction form
   4,900.75/10,611.50 = 10,611.50/x
3. Step 3: Cross multiply
   4,900.75x = 10,611.50 × 10,611.50
4. Step 4: Simplify right side
   4,900.75x = 112,603,932.25
5. Step 5: Solve for x
   x = 112,603,932.25/4,900.75
6. Step 6: Final answer
   x = 22,976.88