Finding the Third Proportional to 4,785.75 and 10,150.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,785.75 : 10,150.31 = 10,150.31 : x
2. Step 2: Convert to fraction form
   4,785.75/10,150.31 = 10,150.31/x
3. Step 3: Cross multiply
   4,785.75x = 10,150.31 × 10,150.31
4. Step 4: Simplify right side
   4,785.75x = 103,028,843.85
5. Step 5: Solve for x
   x = 103,028,843.85/4,785.75
6. Step 6: Final answer
   x = 21,528.25